<div dir="ltr">I cannot reproduce this error, but this could be real.<div><br></div><div>David, is this reproducible every time or is this flaky?</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Jan 7, 2019 at 5:03 PM Heejin Ahn via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hello David,<div><br></div><div>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?</div><div><br></div><div>Regards,</div><div>Heejin</div></div><br><div class="gmail_quote"><div dir="ltr">On Mon, Jan 7, 2019 at 10:11 AM David Greene via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I'm seeing the following fail on Linux x86-64, for the last couple weeks<br>
at least. This is from 'ninja check-all'.<br>
<br>
-David<br>
<br>
FAIL: lld :: wasm/function-index.test (1941 of 1955)<br>
******************** TEST 'lld :: wasm/function-index.test' FAILED ********************<br>
Script:<br>
--<br>
: '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<br>
: '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<br>
: '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<br>
: '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<br>
--<br>
Exit Code: 139<br>
<br>
Command Output (stderr):<br>
--<br>
+ : 'RUN: at line 1'<br>
+ /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<br>
+ : 'RUN: at line 2'<br>
+ /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<br>
+ : 'RUN: at line 3'<br>
+ /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<br>
Stack dump:<br>
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 <br>
#0 0x0000000000571d1a llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/build/x86_64/bin/wasm-ld+0x571d1a)<br>
#1 0x000000000056f538 llvm::sys::RunSignalHandlers() (/build/x86_64/bin/wasm-ld+0x56f538)<br>
#2 0x000000000056f64c SignalHandler(int) (/build/x86_64/bin/wasm-ld+0x56f64c)<br>
#3 0x00007f7578656b00 __restore_rt (/lib64/libpthread.so.0+0x10b00)<br>
#4 0x00000000005b618b llvm::SpecificBumpPtrAllocator<std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> > >::DestroyAll() (/build/x86_64/bin/wasm-ld+0x5b618b)<br>
#5 0x000000000091af30 lld::freeArena() (/build/x86_64/bin/wasm-ld+0x91af30)<br>
#6 0x00000000007b9e5c lld::wasm::link(llvm::ArrayRef<char const*>, bool, llvm::raw_ostream&) (/build/x86_64/bin/wasm-ld+0x7b9e5c)<br>
#7 0x00000000004a67cf main (/build/x86_64/bin/wasm-ld+0x4a67cf)<br>
#8 0x00007f7576e656e5 __libc_start_main (/lib64/libc.so.6+0x206e5)<br>
#9 0x0000000000557729 _start /home/abuild/rpmbuild/BUILD/glibc-2.22/csu/../sysdeps/x86_64/start.S:121:0<br>
/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<br>
<br>
-David<br>
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