<html>
<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang segfaults when building some c files with wasm backend"
href="https://bugs.llvm.org/show_bug.cgi?id=34075">34075</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang segfaults when building some c files with wasm backend
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Backend: WebAssembly
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mvogelsang@rocketmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=18908" name="attach_18908" title="File the message told me to include">attachment 18908</a> <a href="attachment.cgi?id=18908&action=edit" title="File the message told me to include">[details]</a></span>
File the message told me to include
#0 0x0000000001e33d6a llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0+0x1e33d6a)
#1 0x0000000001e31f1e llvm::sys::RunSignalHandlers()
(/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0+0x1e31f1e)
#2 0x0000000001e3206c SignalHandler(int)
(/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0+0x1e3206c)
#3 0x00007f4a6e43b840 __restore_rt
(/nix/store/f111ij1fc83965m48bf2zqgiaq88fqv5-glibc-2.25/lib/libpthread.so.0+0x11840)
#4 0x0000000001b87ec4 llvm::MCAssembler::registerSymbol(llvm::MCSymbol const&,
bool*)
(/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0+0x1b87ec4)
#5 0x0000000001bb84ee llvm::MCWasmStreamer::EmitWeakReference(llvm::MCSymbol*,
llvm::MCSymbol const*)
(/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0+0x1bb84ee)
#6 0x00000000040d5c7b _fini
(/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0+0x40d5c7b)
Stack dump:
0. Program arguments:
/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin/clang-6.0 -cc1 -triple
wasm32-unknown-unknown-wasm -emit-obj -disable-free -disable-llvm-verifier
-discard-value-names -main-file-name tmp.c -mrelocation-model static
-mthread-model posix -masm-verbose -mconstructor-aliases -fuse-init-array
-target-cpu generic -fvisibility hidden -momit-leaf-frame-pointer
-dwarf-column-info -debugger-tuning=gdb -ffunction-sections -fdata-sections
-coverage-notes-file
/home/nox/Documents/ghc/includes/dist-derivedconstants/header/tmp.gcno
-nostdsysteminc -nobuiltininc -resource-dir
/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/lib/clang/6.0.0 -idirafter
/nix/store/djszqfrlmxj8gbp0q3p9s9ihbdz0q3gw-musl-wasm32-unknown-unknown-wasm/include
-idirafter
/nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/lib/gcc/*/*/include-fixed
-isystem /nix/store/ilaj538k2z7bqvwby699z2r2hwjajmzv-llvm/include -isystem
/nix/store/c24pf8amzw30zs34l13agxdqqv2hfjv5-ncurses-6.0-dev/include -isystem
/nix/store/aph8ialplvlnijrk1gmz18fxwbljz4lp-ncurses-6.0-wasm32-unknown-unknown-wasm-dev/include
-D USE_MINIINTERPRETER -I includes -I includes/dist -I
includes/dist-derivedconstants/header -I includes/dist-ghcconstants/header -I
rts -D NOSMP -D _FORTIFY_SOURCE=2 -O2 -Wall -Wno-unknown-pragmas -Wformat
-Wformat-security -Werror=format-security -fdebug-compilation-dir
/home/nox/Documents/ghc -ferror-limit 19 -fmessage-length 271 -fwrapv
-stack-protector 2 -stack-protector-buffer-size 4 -fobjc-runtime=gnustep
-fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp
-o includes/dist-derivedconstants/header/tmp.o -x c
includes/dist-derivedconstants/header/tmp.c
1. <eof> parser at end of file
2. Code generation
clang-6.0: error: unable to execute command: Segmentation fault
clang-6.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 6.0.0
Target: wasm32-unknown-unknown-wasm
Thread model: posix
InstalledDir: /nix/store/bbkn1122s3ndcf9z30zf286jvm27qrxi-clang/bin
clang-6.0: note: diagnostic msg: PLEASE submit a bug report to and include the
crash backtrace, preprocessed source, and associated run script.
clang-6.0: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-6.0: note: diagnostic msg: /run/user/1000/tmp-9f0455.c
clang-6.0: note: diagnostic msg: /run/user/1000/tmp-9f0455.sh
clang-6.0: note: diagnostic msg:
********************
Executing
"/nix/store/dw234j7rigkn038r67lx0nbgbb56x60d-wasm32-unknown-unknown-wasm-clang-cross-wrapper/bin/wasm32-unknown-unknown-wasm-cc"
failed
compiler/ghc.mk:592: compiler/stage1/build/.depend-v.haskell: No such file or
directory
make[1]: *** [includes/ghc.mk:193:
includes/dist-derivedconstants/header/DerivedConstants.h] Error 1
make: *** [Makefile:125: all] Error 2</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>