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<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 crashes when trying to compile a simple objc program with exception catching"
href="https://bugs.llvm.org/show_bug.cgi?id=52557">52557</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Clang crashes when trying to compile a simple objc program with exception catching
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>13.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows XP
</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>Frontend
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lilinfeng303@outlook.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=25462" name="attach_25462" title="files_generated_by_clang">attachment 25462</a> <a href="attachment.cgi?id=25462&action=edit" title="files_generated_by_clang">[details]</a></span>
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
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0x00007FF7D11E4F8B (0x0000000000000000 0x00007FF7D291D499 0x00000270E6A4BD68
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0x00007FF7D0EE0CBF (0x0000000000000000 0xFFFFFFFFFFFFFFFF 0x0000000000000000
0xFFFFFFFFFFFFFFFF)
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0x00007FF7D2168455)
0x00007FF7D0EDDD6B (0x000000C8F0B8BCB8 0x0000000000000003 0x0000000000000000
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0x00007FF7CF1247FF (0x00007FF7D0C5D640 0x0000000000000000 0x00000270E0A74EA0
0x000000C8F0B8DF88)
0x00007FF7D13858C6 (0x00000270E0A74EA0 0x000000C8F0B8DF70 0x000000C8F0B8DF88
0x00007FF7D0C5D04B)
0x00007FF7D0C5D39F (0x000000C8F0B8DFD8 0x00000270E0A836E0 0x00000270E0A836E0
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0x00007FF7D13855B7 (0x0000000000000000 0x0000001000000000 0x0000000000000000
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0x00007FFB33CD7034 (0x0000000000000000 0x0000000000000000 0x0000000000000000
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0x00007FFB35CC2651 (0x0000000000000000 0x0000000000000000 0x0000000000000000
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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</pre>
</div>
</p>
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