[google gcc-4_7] Committed revision 195435, cherry picks branches/gcc-4_7-branch revision 194864

[Simon Baldwin]

FYI.

$ svn merge -c 194864
svn+ssh://sim...@gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch
...test, passes dejagnu
$ svn commit gcc/testsuite/g++.dg/cpp0x/constexpr-ctor11.C
gcc/cp/ChangeLog gcc/cp/semantics.c
Sending        gcc/cp/ChangeLog
Sending        gcc/cp/semantics.c
Adding         gcc/testsuite/g++.dg/cpp0x/constexpr-ctor11.C
Transmitting file data ..
Committed revision 195435.

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