<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 - -clear-ast-before-backend segfaults when used with -print-stats"
href="https://bugs.llvm.org/show_bug.cgi?id=52193">52193</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>-clear-ast-before-backend segfaults when used with -print-stats
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>aheejin@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>aeubanks@google.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>src.c:
```
#include <stdio.h>
int main() {
return 0;
}
```
$ clang src.c -Xclang -print-stats -Xclang -clear-ast-before-backend
```
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments:
/usr/local/google/home/aheejin/llvm-git/install.debug/bin/clang-13 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations
-disable-free -clear-ast-before-backend -main-file-name src.c
-mrelocation-model static -mframe-pointer=all -fmath-errno -fno-rounding-math
-mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic
-debugger-tuning=gdb
-fcoverage-compilation-dir=/usr/local/google/home/aheejin/emscripten
-resource-dir
/usr/local/google/home/aheejin/llvm-git/install.debug/lib/clang/14.0.0
-c-isystem /usr/local/google/home/aheejin/local/include -c-isystem
/usr/local/google/home/aheejin/apps/clang+llvm/include -c-isystem
/usr/local/google/home/aheejin/local/include -c-isystem
/usr/local/google/home/aheejin/apps/clang+llvm/include -c-isystem .
-cxx-isystem /usr/local/google/home/aheejin/local/include -cxx-isystem
/usr/local/google/home/aheejin/apps/clang+llvm/include -cxx-isystem
/usr/local/google/home/aheejin/local/include -cxx-isystem
/usr/local/google/home/aheejin/apps/clang+llvm/include -cxx-isystem .
-internal-isystem
/usr/local/google/home/aheejin/llvm-git/install.debug/lib/clang/14.0.0/include
-internal-isystem /usr/local/include -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include
-internal-externc-isystem /usr/include/x86_64-linux-gnu
-internal-externc-isystem /include -internal-externc-isystem /usr/include
-fdebug-compilation-dir=/usr/local/google/home/aheejin/emscripten -ferror-limit
19 -fgnuc-version=4.2.1 -print-stats -clear-ast-before-backend -faddrsig
-D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/src-2ffcab.o -x c src.c
1. <unknown> parser at unknown location
clang-13: error: unable to execute command: Segmentation fault
clang-13: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 14.0.0 (<a href="mailto:git@github.com">git@github.com</a>:aheejin/llvm-project.git
587493b441ea87f132fec680933d3628050756b8)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/google/home/aheejin/llvm-git/install.debug/bin
clang-13: note: diagnostic msg:
```</pre>
</div>
</p>
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