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Hi brothers, which branch is for rvv1.0? #12

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naveen126 opened this issue Mar 22, 2021 · 1 comment
Open

Hi brothers, which branch is for rvv1.0? #12

naveen126 opened this issue Mar 22, 2021 · 1 comment

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@naveen126
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naveen126 commented Mar 22, 2021 •
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I want to clone a branch to build some riscv vector, I do not know which branch support riscv vector 1.0.

I have just cloned a default, but It can not recognize the instruction "vfrsqrt7.v".

So, please tell me which branch can solve this problem.

Thank you very much!
@xingmingjie
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Thanks for feedback. The vfrsqrt7.v is introduced in rvv 0.10 (and coming 1.0), which we haven't supported it right now. Since the LLVM community has started to work on rvv support, we're also contributing directly on LLVM upstream these days. The instruction has been supported in upstream. And we will rebase the MC module on upstream later.

lazyparser pushed a commit that referenced this issue Oct 8, 2021
@kda
Revert "[CSSPGO] Honor preinliner decision for ThinLTO importing"
04ed6e7 
This reverts commit a2768b4.

Breaks sanitizer-x86_64-linux-fast buildbot:
https://lab.llvm.org/buildbot/#/builders/5/builds/11334

Log snippet:
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: LLVM :: Transforms/SampleProfile/early-inline.ll (65549 of 78729)
******************** TEST 'LLVM :: Transforms/SampleProfile/early-inline.ll' FAILED ********************
Script:
--
: 'RUN: at line 1';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt < /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/early-inline.ll -instcombine -sample-profile -sample-profile-file=/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/einline.prof -S | /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/early-inline.ll
--
Exit Code: 2
Command Output (stderr):
--
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1309:53: runtime error: member call on null pointer of type 'llvm::sampleprof::FunctionSamples'
    #0 0x5a730f8 in shouldInlineCandidate /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1309:53
    #1 0x5a730f8 in (anonymous namespace)::SampleProfileLoader::tryInlineCandidate((anonymous namespace)::InlineCandidate&, llvm::SmallVector<llvm::CallBase*, 8u>*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1178:21
    #2 0x5a6cda6 in inlineHotFunctions /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1105:13
    #3 0x5a6cda6 in (anonymous namespace)::SampleProfileLoader::emitAnnotations(llvm::Function&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1633:16
    #4 0x5a5fcbe in runOnFunction /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:2008:12
    #5 0x5a5fcbe in (anonymous namespace)::SampleProfileLoader::runOnModule(llvm::Module&, llvm::AnalysisManager<llvm::Module>*, llvm::ProfileSummaryInfo*, llvm::CallGraph*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1922:15
    #6 0x5a5de55 in llvm::SampleProfileLoaderPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:2038:21
    #7 0x6552a01 in llvm::detail::PassModel<llvm::Module, llvm::SampleProfileLoaderPass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:88:17
    #8 0x57f807c in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/IR/PassManager.h:526:21
    #9 0x37c8522 in llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::StringRef>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:489:7
    #10 0x37e7c11 in main /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/opt/opt.cpp:830:12
    #11 0x7fbf4de4009a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a)
    #12 0x379e519 in _start (/b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt+0x379e519)
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1309:53 in
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/early-inline.ll
--
********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: LLVM :: Transforms/SampleProfile/inline-cold.ll (65643 of 78729)
******************** TEST 'LLVM :: Transforms/SampleProfile/inline-cold.ll' FAILED ********************
Script:
--
: 'RUN: at line 4';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt < /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll -sample-profile -sample-profile-file=/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/inline-cold.prof -S | /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck -check-prefix=NOTINLINE /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll
: 'RUN: at line 5';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt < /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll -passes=sample-profile -sample-profile-file=/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/inline-cold.prof -S | /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck -check-prefix=NOTINLINE /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll
: 'RUN: at line 8';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt < /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll -sample-profile -sample-profile-file=/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/inline-cold.prof -sample-profile-inline-size -S | /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck -check-prefix=INLINE /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll
: 'RUN: at line 11';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt < /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll -passes=sample-profile -sample-profile-file=/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/inline-cold.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=9999999 -S | /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck -check-prefix=INLINE /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll
: 'RUN: at line 14';   /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt < /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll -passes=sample-profile -sample-profile-file=/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/inline-cold.prof -sample-profile-inline-size -sample-profile-cold-inline-threshold=-500 -S | /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck -check-prefix=NOTINLINE /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll
--
Exit Code: 2
Command Output (stderr):
--
/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1309:53: runtime error: member call on null pointer of type 'llvm::sampleprof::FunctionSamples'
    #0 0x5a730f8 in shouldInlineCandidate /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1309:53
    #1 0x5a730f8 in (anonymous namespace)::SampleProfileLoader::tryInlineCandidate((anonymous namespace)::InlineCandidate&, llvm::SmallVector<llvm::CallBase*, 8u>*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1178:21
    #2 0x5a6cda6 in inlineHotFunctions /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1105:13
    #3 0x5a6cda6 in (anonymous namespace)::SampleProfileLoader::emitAnnotations(llvm::Function&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1633:16
    #4 0x5a5fcbe in runOnFunction /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:2008:12
    #5 0x5a5fcbe in (anonymous namespace)::SampleProfileLoader::runOnModule(llvm::Module&, llvm::AnalysisManager<llvm::Module>*, llvm::ProfileSummaryInfo*, llvm::CallGraph*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1922:15
    #6 0x5a5de55 in llvm::SampleProfileLoaderPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:2038:21
    #7 0x6552a01 in llvm::detail::PassModel<llvm::Module, llvm::SampleProfileLoaderPass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:88:17
    #8 0x57f807c in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/IR/PassManager.h:526:21
    #9 0x37c8522 in llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::StringRef>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:489:7
    #10 0x37e7c11 in main /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/tools/opt/opt.cpp:830:12
    #11 0x7fcd534a209a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a)
    #12 0x379e519 in _start (/b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt+0x379e519)
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Transforms/IPO/SampleProfile.cpp:1309:53 in
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/FileCheck -check-prefix=INLINE /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/Transforms/SampleProfile/inline-cold.ll
--
********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
********************
Failed Tests (2):
  LLVM :: Transforms/SampleProfile/early-inline.ll
  LLVM :: Transforms/SampleProfile/inline-cold.ll
@PPParticle PPParticle mentioned this issue Jan 11, 2022
Open
melonedo pushed a commit to melonedo/llvm-project that referenced this issue Aug 12, 2022
@tstellar
[scan-build] Fix deadlock at failures in libears/ear.c
9fa896f 
We experienced some deadlocks when we used multiple threads for logging
using `scan-builds` intercept-build tool when we used multiple threads by
e.g. logging `make -j16`

```
(gdb) bt
#0  0x00007f2bb3aff110 in __lll_lock_wait () from /lib/x86_64-linux-gnu/libpthread.so.0
plctlab#1  0x00007f2bb3af70a3 in pthread_mutex_lock () from /lib/x86_64-linux-gnu/libpthread.so.0
plctlab#2  0x00007f2bb3d152e4 in ?? ()
plctlab#3  0x00007ffcc5f0cc80 in ?? ()
plctlab#4  0x00007f2bb3d2bf5b in ?? () from /lib64/ld-linux-x86-64.so.2
plctlab#5  0x00007f2bb3b5da27 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
plctlab#6  0x00007f2bb3b5dbe0 in exit () from /lib/x86_64-linux-gnu/libc.so.6
plctlab#7  0x00007f2bb3d144ee in ?? ()
plctlab#8  0x746e692f706d742f in ?? ()
plctlab#9  0x692d747065637265 in ?? ()
plctlab#10 0x2f653631326b3034 in ?? ()
plctlab#11 0x646d632e35353532 in ?? ()
plctlab#12 0x0000000000000000 in ?? ()
```

I think the gcc's exit call caused the injected `libear.so` to be unloaded
by the `ld`, which in turn called the `void on_unload() __attribute__((destructor))`.
That tried to acquire an already locked mutex which was left locked in the
`bear_report_call()` call, that probably encountered some error and
returned early when it forgot to unlock the mutex.

All of these are speculation since from the backtrace I could not verify
if frames 2 and 3 are in fact corresponding to the `libear.so` module.
But I think it's a fairly safe bet.

So, hereby I'm releasing the held mutex on *all paths*, even if some failure
happens.

PS: I would use lock_guards, but it's C.

Reviewed-by: NoQ

Differential Revision: https://reviews.llvm.org/D118439

(cherry picked from commit d919d02)
realqhc pushed a commit to realqhc/llvm-project-plct that referenced this issue Nov 1, 2022
@walter-erquinigo
[trace][intel pt] Simple detection of infinite decoding loops
c49d14a 
The low-level decoder might fall into an infinite decoding loop for
various reasons, the simplest being an infinite direct loop reached due
to wrong handling of self-modified code in the kernel, e.g. it might
reach

```
0x0A: pause
0x0C: jump to 0x0A
```

In this case, all the code is sequential and requires no packets to be
decoded. The low-level decoder would produce an output like the
following

```
0x0A: pause
0x0C: jump to 0x0A
0x0A: pause
0x0C: jump to 0x0A
0x0A: pause
0x0C: jump to 0x0A
... infinite amount of times
```

These cases require stopping the decoder to avoid infinite work and signal this
at least as a trace error.

- Add a check that breaks decoding of a single PSB once 500k instructions have been decoded since the last packet was processed.
- Add a check that looks for infinite loops after certain amount of instructions have been decoded since the last packet was processed.
- Add some `settings` properties for tweaking the thresholds of the checks above. This is also nice because it does the basic work needed for future settings.
- Add an AnomalyDetector class that inspects the DecodedThread and the libipt decoder in search for anomalies. These anomalies are then signaled as fatal errors in the trace.
- Add an ErrorStats class that keeps track of all the errors in a DecodedThread, with a special counter for fatal errors.
- Add an entry for decoded thread errors in the `dump info` command.

Some notes are added in the code and in the documention of the settings,
so please read them.

Besides that, I haven't been unable to create a test case in LLVM style, but
I've found an anomaly in the thread plctlab#12 of the trace
72533820-3eb8-4465-b8e4-4e6bf0ccca99 at Meta. We have to figure out how to
artificially create traces with this kind of anomalies in LLVM style.

With this change, that anomalous thread now shows:

```
(lldb)thread trace dump instructions 12 -e -i 23101

thread plctlab#12: tid = 8
    ...missing instructions
    23101: (error) anomalous trace: possible infinite loop detected of size 2
  vmlinux-5.12.0-0_fbk8_clang_6656_gc85768aa64da`panic_smp_self_stop + 5 [inlined] rep_nop at processor.h:13:2
    23100: 0xffffffff81342785    pause
  vmlinux-5.12.0-0_fbk8_clang_6656_gc85768aa64da`panic_smp_self_stop + 7 at panic.c:87:2
    23099: 0xffffffff81342787    jmp    0xffffffff81342785        ; <+5> [inlined] rep_nop at processor.h:13:2
  vmlinux-5.12.0-0_fbk8_clang_6656_gc85768aa64da`panic_smp_self_stop + 5 [inlined] rep_nop at processor.h:13:2
    23098: 0xffffffff81342785    pause
  vmlinux-5.12.0-0_fbk8_clang_6656_gc85768aa64da`panic_smp_self_stop + 7 at panic.c:87:2
    23097: 0xffffffff81342787    jmp    0xffffffff81342785        ; <+5> [inlined] rep_nop at processor.h:13:2
  vmlinux-5.12.0-0_fbk8_clang_6656_gc85768aa64da`panic_smp_self_stop + 5 [inlined] rep_nop at processor.h:13:2
    23096: 0xffffffff81342785    pause
  vmlinux-5.12.0-0_fbk8_clang_6656_gc85768aa64da`panic_smp_self_stop + 7 at panic.c:87:2
    23095: 0xffffffff81342787    jmp    0xffffffff81342785        ; <+5> [inlined] rep_nop at processor.h:13:2
```

It used to be in an infinite loop where the decoder never stopped.

Besides that, the dump info command shows

```
(lldb) thread trace dump info 12

 Errors:
    Number of individual errors: 32
      Number of fatal errors: 1
      Number of other errors: 31
```

and in json format

```
(lldb) thread trace dump info 12 -j

 "errors": {
      "totalCount": 32,
      "libiptErrors": {},
      "fatalErrors": 1,
      "otherErrors": 31
    }
```

Differential Revision: https://reviews.llvm.org/D136557
realqhc pushed a commit to realqhc/llvm-project-plct that referenced this issue Nov 1, 2022
@d0k
[clang][Interp] Reorder field destruction to avoid use after dtor
da4b929 
Found by msan -fsanitize-memory-use-after-dtor.

==8259==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0x55dbec54d2b8 in dtorRecord(clang::interp::Block*, char*, clang::interp::Descriptor*) clang/lib/AST/Interp/Descriptor.cpp:150:22
    plctlab#1 0x55dbec54bfcf in dtorArrayDesc(clang::interp::Block*, char*, clang::interp::Descriptor*) clang/lib/AST/Interp/Descriptor.cpp:97:7
    plctlab#2 0x55dbec508578 in invokeDtor clang/lib/AST/Interp/InterpBlock.h:79:7
    plctlab#3 0x55dbec508578 in clang::interp::Program::~Program() clang/lib/AST/Interp/Program.h:55:19
    plctlab#4 0x55dbec50657a in operator() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:55:5
    plctlab#5 0x55dbec50657a in std::__msan::unique_ptr<clang::interp::Program, std::__msan::default_delete<clang::interp::Program>>::~unique_ptr() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:261:7
    plctlab#6 0x55dbec5035a1 in clang::interp::Context::~Context() clang/lib/AST/Interp/Context.cpp:27:22
    plctlab#7 0x55dbebec1daa in operator() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:55:5
    plctlab#8 0x55dbebec1daa in std::__msan::unique_ptr<clang::interp::Context, std::__msan::default_delete<clang::interp::Context>>::~unique_ptr() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:261:7
    plctlab#9 0x55dbebe285f9 in clang::ASTContext::~ASTContext() clang/lib/AST/ASTContext.cpp:1038:40
    plctlab#10 0x55dbe941ff13 in llvm::RefCountedBase<clang::ASTContext>::Release() const llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:101:7
    plctlab#11 0x55dbe94353ef in release llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:159:38
    plctlab#12 0x55dbe94353ef in release llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:224:7
    plctlab#13 0x55dbe94353ef in ~IntrusiveRefCntPtr llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:191:27
    plctlab#14 0x55dbe94353ef in clang::CompilerInstance::setASTContext(clang::ASTContext*) clang/lib/Frontend/CompilerInstance.cpp:178:3
    plctlab#15 0x55dbe95ad0ad in clang::FrontendAction::EndSourceFile() clang/lib/Frontend/FrontendAction.cpp:1100:8
    plctlab#16 0x55dbe9445fcf in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) clang/lib/Frontend/CompilerInstance.cpp:1047:11
    plctlab#17 0x55dbe6b3afef in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:266:25
    plctlab#18 0x55dbe6b13288 in cc1_main(llvm::ArrayRef<char const*>, char const*, void*) clang/tools/driver/cc1_main.cpp:250:15
    plctlab#19 0x55dbe6b0095f in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) clang/tools/driver/driver.cpp:319:12
    plctlab#20 0x55dbe6aff41c in clang_main(int, char**) clang/tools/driver/driver.cpp:395:12
    plctlab#21 0x7f9be07fa632 in __libc_start_main
    plctlab#22 0x55dbe6a702e9 in _start

  Member fields were destroyed
    #0 0x55dbe6a7da5d in __sanitizer_dtor_callback_fields compiler-rt/lib/msan/msan_interceptors.cpp:949:5
    plctlab#1 0x55dbec5094ac in ~SmallVectorImpl llvm/include/llvm/ADT/SmallVector.h:479:7
    plctlab#2 0x55dbec5094ac in ~SmallVectorImpl llvm/include/llvm/ADT/SmallVector.h:612:3
    plctlab#3 0x55dbec5094ac in llvm::SmallVector<clang::interp::Record::Base, 8u>::~SmallVector() llvm/include/llvm/ADT/SmallVector.h:1207:3
    plctlab#4 0x55dbec508e79 in clang::interp::Record::~Record() clang/lib/AST/Interp/Record.h:24:7
    plctlab#5 0x55dbec508612 in clang::interp::Program::~Program() clang/lib/AST/Interp/Program.h:49:26
    plctlab#6 0x55dbec50657a in operator() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:55:5
    plctlab#7 0x55dbec50657a in std::__msan::unique_ptr<clang::interp::Program, std::__msan::default_delete<clang::interp::Program>>::~unique_ptr() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:261:7
    plctlab#8 0x55dbec5035a1 in clang::interp::Context::~Context() clang/lib/AST/Interp/Context.cpp:27:22
    plctlab#9 0x55dbebec1daa in operator() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:55:5
    plctlab#10 0x55dbebec1daa in std::__msan::unique_ptr<clang::interp::Context, std::__msan::default_delete<clang::interp::Context>>::~unique_ptr() third_party/crosstool/v18/stable/toolchain/bin/../include/c++/v1/__memory/unique_ptr.h:261:7
    plctlab#11 0x55dbebe285f9 in clang::ASTContext::~ASTContext() clang/lib/AST/ASTContext.cpp:1038:40
    plctlab#12 0x55dbe941ff13 in llvm::RefCountedBase<clang::ASTContext>::Release() const llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:101:7
    plctlab#13 0x55dbe94353ef in release llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:159:38
    plctlab#14 0x55dbe94353ef in release llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:224:7
    plctlab#15 0x55dbe94353ef in ~IntrusiveRefCntPtr llvm/include/llvm/ADT/IntrusiveRefCntPtr.h:191:27
    plctlab#16 0x55dbe94353ef in clang::CompilerInstance::setASTContext(clang::ASTContext*) clang/lib/Frontend/CompilerInstance.cpp:178:3
    plctlab#17 0x55dbe95ad0ad in clang::FrontendAction::EndSourceFile() clang/lib/Frontend/FrontendAction.cpp:1100:8
    plctlab#18 0x55dbe9445fcf in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) clang/lib/Frontend/CompilerInstance.cpp:1047:11
    plctlab#19 0x55dbe6b3afef in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:266:25
    plctlab#20 0x55dbe6b13288 in cc1_main(llvm::ArrayRef<char const*>, char const*, void*) clang/tools/driver/cc1_main.cpp:250:15
    plctlab#21 0x55dbe6b0095f in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) clang/tools/driver/driver.cpp:319:12
    plctlab#22 0x55dbe6aff41c in clang_main(int, char**) clang/tools/driver/driver.cpp:395:12
    plctlab#23 0x7f9be07fa632 in __libc_start_main
    plctlab#24 0x55dbe6a702e9 in _start
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@xingmingjie @naveen126