[llvm-bugs] [Bug 52193] New: -clear-ast-before-backend segfaults when used with -print-stats

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=52193

            Bug ID: 52193
           Summary: -clear-ast-before-backend segfaults when used with
                    -print-stats
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Driver
          Assignee: unassignedclangbugs at nondot.org
          Reporter: aheejin at gmail.com
                CC: aeubanks at google.com, llvm-bugs at lists.llvm.org,
                    neeilans at live.com, richard-llvm at metafoo.co.uk

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 https://bugs.llvm.org/ 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 (git at github.com: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: 
```

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20211016/159de2db/attachment.html>