http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51083
--- Comment #19 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-12-19 01:49:14 UTC --- Author: redi Date: Mon Dec 19 01:49:08 2011 New Revision: 182468 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182468 Log: Backport from mainline 2011-11-13 Paolo Carlini <paolo.carl...@oracle.com> * include/c_global/cmath (atan2, pow): Simplify constraining on the return type. Backport from mainline 2011-11-12 Jonathan Wakely <jwakely....@gmail.com> PR libstdc++/51083 * include/ext/type_traits.h (__promote): Only define __type member for integral and floating point types, to prevent math functions participating in overload resolution for other types. (__promote_2, __promote_3, __promote_4): Use __promote in default template argument values, so deduction only succeeds for integral and floating point types. * testsuite/26_numerics/cmath/51083.cc: New. * testsuite/26_numerics/complex/51083.cc: New. * testsuite/tr1/8_c_compatibility/cmath/51083.cc: New. * testsuite/tr1/8_c_compatibility/complex/51083.cc: New. Added: branches/gcc-4_6-branch/libstdc++-v3/testsuite/26_numerics/cmath/ branches/gcc-4_6-branch/libstdc++-v3/testsuite/26_numerics/cmath/51083.cc branches/gcc-4_6-branch/libstdc++-v3/testsuite/26_numerics/complex/51083.cc branches/gcc-4_6-branch/libstdc++-v3/testsuite/tr1/8_c_compatibility/cmath/51083.cc branches/gcc-4_6-branch/libstdc++-v3/testsuite/tr1/8_c_compatibility/complex/51083.cc Modified: branches/gcc-4_6-branch/libstdc++-v3/ChangeLog branches/gcc-4_6-branch/libstdc++-v3/include/c_global/cmath branches/gcc-4_6-branch/libstdc++-v3/include/ext/type_traits.h