[llvm-dev] [LLD] [WASM] wasm/function-index.test failing

[Heejin Ahn via llvm-dev]

Hello David,

I use x86_64 and it works on my machine. I also can't find this error on
LLVM buildbot page. I'd appreciate if you help me reproduce the problem. I
tested with debug/release/expensive-check builds and they all passed. Does
anyone else have this problem?

Regards,
Heejin

On Mon, Jan 7, 2019 at 10:11 AM David Greene via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> I'm seeing the following fail on Linux x86-64, for the last couple weeks
> at least.  This is from 'ninja check-all'.
>
>                                  -David
>
> FAIL: lld :: wasm/function-index.test (1941 of 1955)
> ******************** TEST 'lld :: wasm/function-index.test' FAILED
> ********************
> Script:
> --
> : 'RUN: at line 1';   /build/x86_64/bin/llc -filetype=obj
> /src/lld/test/wasm/Inputs/ret32.ll -o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret32.o
> : 'RUN: at line 2';   /build/x86_64/bin/llc -filetype=obj
> /src/lld/test/wasm/Inputs/ret64.ll -o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret64.o
> : 'RUN: at line 3';   /build/x86_64/bin/wasm-ld -r -o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.wasm
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret32.o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret64.o
> : 'RUN: at line 4';   /build/x86_64/bin/obj2yaml
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.wasm |
> /build/x86_64/bin/FileCheck /src/lld/test/wasm/function-index.test
> --
> Exit Code: 139
>
> Command Output (stderr):
> --
> + : 'RUN: at line 1'
> + /build/x86_64/bin/llc -filetype=obj /src/lld/test/wasm/Inputs/ret32.ll
> -o /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret32.o
> + : 'RUN: at line 2'
> + /build/x86_64/bin/llc -filetype=obj /src/lld/test/wasm/Inputs/ret64.ll
> -o /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret64.o
> + : 'RUN: at line 3'
> + /build/x86_64/bin/wasm-ld -r -o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.wasm
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret32.o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret64.o
> Stack dump:
> 0.      Program arguments: /build/x86_64/bin/wasm-ld -r -o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.wasm
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret32.o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret64.o
>  #0 0x0000000000571d1a llvm::sys::PrintStackTrace(llvm::raw_ostream&)
> (/build/x86_64/bin/wasm-ld+0x571d1a)
>  #1 0x000000000056f538 llvm::sys::RunSignalHandlers()
> (/build/x86_64/bin/wasm-ld+0x56f538)
>  #2 0x000000000056f64c SignalHandler(int)
> (/build/x86_64/bin/wasm-ld+0x56f64c)
>  #3 0x00007f7578656b00 __restore_rt (/lib64/libpthread.so.0+0x10b00)
>  #4 0x00000000005b618b
> llvm::SpecificBumpPtrAllocator<std::unique_ptr<llvm::MemoryBuffer,
> std::default_delete<llvm::MemoryBuffer> > >::DestroyAll()
> (/build/x86_64/bin/wasm-ld+0x5b618b)
>  #5 0x000000000091af30 lld::freeArena()
> (/build/x86_64/bin/wasm-ld+0x91af30)
>  #6 0x00000000007b9e5c lld::wasm::link(llvm::ArrayRef<char const*>, bool,
> llvm::raw_ostream&) (/build/x86_64/bin/wasm-ld+0x7b9e5c)
>  #7 0x00000000004a67cf main (/build/x86_64/bin/wasm-ld+0x4a67cf)
>  #8 0x00007f7576e656e5 __libc_start_main (/lib64/libc.so.6+0x206e5)
>  #9 0x0000000000557729 _start
> /home/abuild/rpmbuild/BUILD/glibc-2.22/csu/../sysdeps/x86_64/start.S:121:0
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.script: line
> 4: 368695 Segmentation fault      /build/x86_64/bin/wasm-ld -r -o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.wasm
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret32.o
> /build/x86_64/tools/lld/test/wasm/Output/function-index.test.tmp.ret64.o
>
>                                         -David
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