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Clang crashes when trying to compile a simple objc program with exception catching #51524

Open Quuxplusone opened 3 years ago

Quuxplusone commented 3 years ago
Bugzilla Link PR52557
Status NEW
Importance P normal
Reported by Levin Li (lilinfeng303@outlook.com)
Reported on 2021-11-19 05:39:37 -0800
Last modified on 2021-11-19 05:39:37 -0800
Version 13.0
Hardware PC Windows XP
CC llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
Fixed by commit(s)
Attachments crash.zip (2039 bytes, application/zip)
Blocks
Blocked by
See also 
Created attachment 25462
files_generated_by_clang

This was done on Windows 10, 21H1 with clang from chocotelatey

C:\DEV>clang --version
clang version 13.0.0
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\Program Files\LLVM\bin

Minimal test case, or check the attachment:

$ cat crash.m
int main()
{
        @try {
        } @catch (id e) {
        } @finally { };
}
$ clang -cc1 -triple x86_64-pc-windows-msvc -emit-obj -fobjc-runtime=gnustep-
2.0 -fobjc-exceptions  -x objective-c crash.m

Stack dump:
0.      Program arguments: "C:\\Program Files\\LLVM\\bin\\clang-cl.exe" -I
C:\\GNUstep\\x64\\Debug\\include -fobjc-runtime=gnustep-2.0 -Xclang -
fexceptions -Xclang -fobjc-exceptions -fblocks -DGNUSTEP -DGNUSTEP_WITH_DLL -
DGNUSTEP_RUNTIME=1 -D_NONFRAGILE_ABI=1 -D_NATIVE_OBJC_EXCEPTIONS -DGSWARN -
DGSDIAGNOSE /MDd /c test.m
1.      <eof> parser at end of file
2.      test.m:3:5: LLVM IR generation of declaration 'main'
3.      test.m:3:5: Generating code for declaration 'main'
 #0 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x20c6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x20c52c9
 #1 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x20c4f8b C:\Program Files\LLVM\bin\clang-cl.exe 0x1f4c679
 #2 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x1f540d7 C:\Program Files\LLVM\bin\clang-cl.exe 0x1dc0cbf
 #3 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x1db9fd1 C:\Program Files\LLVM\bin\clang-cl.exe 0x1dbdd6b
 #4 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x1dc46ca C:\Program Files\LLVM\bin\clang-cl.exe 0x3e18c3f
 #5 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x3e16909 C:\Program Files\LLVM\bin\clang-cl.exe 0x2fa80f9
 #6 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x238a9c2 C:\Program Files\LLVM\bin\clang-cl.exe 0x23521bd
 #7 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x23f8c26 C:\Program Files\LLVM\bin\clang-cl.exe 0x75c3
 #8 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x47ff C:\Program Files\LLVM\bin\clang-cl.exe 0x22658c6
 #9 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x1b3d39f C:\Program Files\LLVM\bin\clang-cl.exe 0x22655b7
#10 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x21a9462
C:\Program Files\LLVM\bin\clang-cl.exe 0x21a9a09
#11 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x218bf26
C:\Program Files\LLVM\bin\clang-cl.exe 0x411d
#12 0x00007ff7d11e6f9a C:\Program Files\LLVM\bin\clang-cl.exe 0x3e367b8
(C:\Program Files\LLVM\bin\clang-cl.exe+0x20c6f9a)
#13 0x00007ff7d11e6f9a
#14 0x00007ff7d11e6f9a (C:\Program Files\LLVM\bin\clang-cl.exe+0x20c6f9a)
0x00007FF7D11E6F9A (0x00000270E6A49808 0x00000270E6C8E001 0x0000E037002A1F10
0x00000270E6A497E0)
0x00007FF7D11E52C9 (0x00000270E0AAEE50 0x00007FF7D291006D 0x000000C8F0B89BD0
0x000000C8F0B89BE0)
0x00007FF7D11E4F8B (0x0000000000000000 0x00007FF7D291D499 0x00000270E6A4BD68
0x00007FF7D062E1A0)
0x00007FF7D106C679 (0x0000000000000001 0x000000000000002B 0x00000270E6C732F0
0x0000E037002A1930)
0x00007FF7D10740D7 (0x0000000000000001 0x0000000000000000 0x000000C8F0B8A250
0x000000C8F0B8A1C0)
0x00007FF7D0EE0CBF (0x0000000000000000 0xFFFFFFFFFFFFFFFF 0x0000000000000000
0xFFFFFFFFFFFFFFFF)
0x00007FF7D0ED9FD1 (0x0000000000000003 0x00000270E23C7F30 0x00000270E6C736F0
0x00007FF7D2168455)
0x00007FF7D0EDDD6B (0x000000C8F0B8BCB8 0x0000000000000003 0x0000000000000000
0x00000270E0A84F20)
0x00007FF7D0EE46CA (0x00000270E23C7F40 0x000000C8F0B8D2A0 0x00000270E23CBE90
0x00007FF7D20CD082)
0x00007FF7D2F38C3F (0x00000270E23C7F30 0x0000000000000000 0x00000270E23C82D0
0x0000000000000000)
0x00007FF7D2F36909 (0x000000C8F0B8D3C8 0x000000C8F0B8D3B8 0x000000C8F0B8D3B8
0x00007FF7D147031A)
0x00007FF7D20C80F9 (0x0000000000000000 0x0000E037002A48A0 0x2D646E756F72522D
0x3163632D70697274)
0x00007FF7D14AA9C2 (0x00000000000000E8 0x00000270E0A883D0 0x0000000000000001
0x00000270E0A75D40)
0x00007FF7D14721BD (0x0000000000000000 0x0000000000000000 0x000000C8F0B8DDE8
0x00000270E0A00000)
0x00007FF7D1518C26 (0x000000C8F0B8D7C0 0x000000C8F0B8D658 0x000000C8F0B8D5A8
0x0000000000000000)
0x00007FF7CF1275C3 (0x0000000000000006 0x000000000000003F 0x000000C8F0005080
0x000000C837001126)
0x00007FF7CF1247FF (0x00007FF7D0C5D640 0x0000000000000000 0x00000270E0A74EA0
0x000000C8F0B8DF88)
0x00007FF7D13858C6 (0x00000270E0A74EA0 0x000000C8F0B8DF70 0x000000C8F0B8DF88
0x00007FF7D0C5D04B)
0x00007FF7D0C5D39F (0x000000C8F0B8DFD8 0x00000270E0A836E0 0x00000270E0A836E0
0x00007FF7D0C4278C)
0x00007FF7D13855B7 (0x0000000000000000 0x0000001000000000 0x0000000000000000
0x0000000000000060)
0x00007FF7D12C9462 (0x00000270E0A71970 0x00000270E0A71910 0x00000270E0A353E0
0x0000000000000026)
0x00007FF7D12C9A09 (0x0000000000000050 0x00007FFB33BC39CE 0x0000000000000000
0x0000000000000000)
0x00007FF7D12ABF26 (0x0000000000000051 0x0000027000000000 0x0000E04874267BC3
0x00000000000000BC)
0x00007FF7CF12411D (0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000)
0x00007FF7D2F567B8 (0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000)
0x00007FFB33CD7034 (0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000), BaseThreadInitThunk() + 0x14 bytes(s)
0x00007FFB35CC2651 (0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000), RtlUserThreadStart() + 0x21 bytes(s)
clang-cl: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 13.0.0
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\Program Files\LLVM\bin
Quuxplusone commented 3 years ago

Attached crash.zip (2039 bytes, application/zip): files_generated_by_clang