https://bugs.llvm.org/show_bug.cgi?id=43977
Bug ID: 43977
Summary: Access Violation Error when throwing exception with
clang-cl, gtest and exception
Product: new-bugs
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: feil...@corona-renderer.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Created attachment 22799
--> https://bugs.llvm.org/attachment.cgi?id=22799&action=edit
Test case
We've hit a very specific bug while running our unit tests compiled with
clang-10. I have been able to isolate the bug in a self contained project
shared as attachments. You can find a rudimentary build script and some
instructions to build an executable that can reproduce the access violation
error.
The test has been reduced as much as possible as far as I could test everything
is needed to reproduce the conditions to create the Access Violation Error.
It seems that the following features use in combination are creating the
situation where clang (or LLVM) generates the wrong code:
- goto
- SSE intrisics
- Forced inlining
I tested again clang-cl build on my machine from git revision
1c616a9266bd829ea8915617ff83244df45a31c8 in repo
https://github.com/llvm/llvm-project.git
Let me know if you need more information.
B. Feildel
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