https://llvm.org/bugs/show_bug.cgi?id=30948
Bug ID: 30948
Summary: clang-cl does not pass -Zc:threadSafeInit- to the
fallback compiler
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: dma...@mozilla.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
I used gflags to catch cl.exe in a debugger, and I didn't see
-Zc:threadSafeInit- in its command line.
$ cat foo.cpp
#if defined(__clang__)
#error Try again
#endif
$ clang-cl -c -fallback -Zc:threadSafeInit- foo.cpp
foo.cpp(2,2): error(clang): Try again
#error Try again
^
1 error generated.
clang-cl.exe: warning: falling back to C:\Program Files (x86)\Microsoft Visual
Studio 14.0\VC\bin\amd64\cl.exe [-Wfallback]
foo.cpp
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