https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69881
Bug ID: 69881
Summary: with gcc-6 of today building gcc-4.9 fails
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: bernd.edlinger at hotmail dot de
Target Milestone: ---
Created attachment 37742
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37742&action=edit
preprocessed source code
g++ -c -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables
-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -I. -I.
-I../../gcc-4.9-branch/gcc -I../../gcc-4.9-branch/gcc/.
-I../../gcc-4.9-branch/gcc/../include
-I../../gcc-4.9-branch/gcc/../libcpp/include -I/home/ed/gnu/gcc-build2/./gmp
-I/home/ed/gnu/gcc-4.9-branch/gmp -I/home/ed/gnu/gcc-build2/./mpfr
-I/home/ed/gnu/gcc-4.9-branch/mpfr -I/home/ed/gnu/gcc-4.9-branch/mpc/src
-I../../gcc-4.9-branch/gcc/../libdecnumber
-I../../gcc-4.9-branch/gcc/../libdecnumber/bid -I../libdecnumber
-I../../gcc-4.9-branch/gcc/../libbacktrace -DCLOOG_INT_GMP
-I/home/ed/gnu/gcc-build2/./cloog/include
-I/home/ed/gnu/gcc-4.9-branch/cloog/include -I../gcc-4.9-branch/cloog/include
-I/home/ed/gnu/gcc-build2/./isl/include
-I/home/ed/gnu/gcc-4.9-branch/isl/include -o graphite.o -MT graphite.o -MMD
-MP -MF ./.deps/graphite.TPo ../../gcc-4.9-branch/gcc/graphite.c
...
In file included from /home/ed/gnu/gcc-build2/./gmp/gmp.h:51:0,
from /home/ed/gnu/gcc-4.9-branch/isl/include/isl/int.h:15,
from /home/ed/gnu/gcc-4.9-branch/isl/include/isl/ctx.h:16,
from /home/ed/gnu/gcc-4.9-branch/isl/include/isl/list.h:13,
from /home/ed/gnu/gcc-4.9-branch/isl/include/isl/aff_type.h:4,
from
/home/ed/gnu/gcc-4.9-branch/isl/include/isl/local_space.h:4,
from
/home/ed/gnu/gcc-4.9-branch/isl/include/isl/constraint.h:13,
from ../../gcc-4.9-branch/gcc/graphite.c:38:
/home/ed/gnu/install/include/c++/6.0.0/cstddef:51:11: error: '::max_align_t'
has not been declared
using ::max_align_t;
^~~~~~~~~~~
