r273949 - in /branches/gcc-9-branch: gcc/Change...

[redi@gcc.gnu.org]

Author: redi
Date: Wed Jul 31 19:56:16 2019
New Revision: 273949

URL: https://gcc.gnu.org/viewcvs?rev=273949&root=gcc&view=rev
Log:
Define C11 macros such as FLT_DECIMAL_DIG for C++17

Backport from mainline
2019-06-24  Jonathan Wakely  <jwakely@redhat.com>

	* ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG, LDBL_DECIMAL_DIG)
	(FLT_HAS_SUBNORM, DBL_HAS_SUBNORM, LDBL_HAS_SUBNORM, FLT_TRUE_MIN)
	(DBL_TRUE_MIN, LDBL_TRUE_MIN): Also define for C++17.

Backport from mainline
2019-06-24  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.

Added:
    branches/gcc-9-branch/libstdc++-v3/testsuite/18_support/headers/cfloat/values_c++17.cc
Modified:
    branches/gcc-9-branch/libstdc++-v3/ChangeLog

Changes in other areas also in this revision:
Modified:
    branches/gcc-9-branch/gcc/ChangeLog
    branches/gcc-9-branch/gcc/ginclude/float.h