http://llvm.org/bugs/show_bug.cgi?id=12221
Bug #: 12221
Summary: clang generates DEFAULT symbols that should be HIDDEN
Product: clang
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
clang++ generates a DEFAULT-visibility symbol where g++ generates a HIDDEN one.
g++ is 4.4.3-4ubuntu5 and clang is 151385, both on an ubuntu (lucid) box.
$ echo -e "#include <vector>\nstd::vector<int> myvec;" > src.cc && for c in "
g++" clang++; do echo -en "$c:"; $c -fPIC -fvisibility=hidden -fvishidden -c
src.cc && readelf -Ws src.o|c++filt|grep myvec; done
g++: 46: 0000000000000000 24 OBJECT GLOBAL HIDDEN 21 myvec
clang++: 77: 0000000000000000 24 OBJECT GLOBAL DEFAULT 24 myvec
clang should be generating a HIDDEN symbol, not a DEFAULT one.
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