http://llvm.org/bugs/show_bug.cgi?id=10671
Summary: Compiling a single file takes several minutes
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Created an attachment (id=7076)
--> (http://llvm.org/bugs/attachment.cgi?id=7076)
Problematic file
When building the attached file using
clang++ -g -O2 -c -o mp_comba.o ./mp_comba.cpp
the compile takes several minutes to complete.
This seems to be related to the combination of -O2 and -g as both of the
following commands complete rather fast:
clang++ -O2 -c -o mp_comba.o ./mp_comba.cpp
clang++ -g -O1 -c -o mp_comba.o ./mp_comba.cpp
The result of this issue is that clang is no longer an option to build Qt or Qt
Creator with: In both projects there are several files like this one!
This issue is a regression: My last checkout from last month did not have this
issue.
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