[llvm-bugs] [Bug 49826] New: Compiler crash

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49826

            Bug ID: 49826
           Summary: Compiler crash
           Product: clang
           Version: 11.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: mr.exodia.tpodt at gmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    neeilans at live.com, richard-llvm at metafoo.co.uk

Created attachment 24716
  --> https://bugs.llvm.org/attachment.cgi?id=24716&action=edit
standalone reproduction

The following code appears to cause a strange crash during codegen.

1>fatal error: error in backend: stack allocation size is not a multiple of 8

#define LOG_FIXME(format, ...)

int PS4API sceAjmFinalize(const SceAjmContextId uiContext)
{
        LOG_FIXME("Not implemented");
        return SCE_OK;
}

With

#define _LOG_PRINT_(level, format, ...)    __logger_handle.print(level,
__FUNCTION__, __FILE__, __LINE__, format, __VA_ARGS__)
#define LOG_FIXME(format, ...) _LOG_PRINT_(::logsys::Level::kFixme, format,
__VA_ARGS__);

There is no crash. Standalone reproduction is in the attachment

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