[Bug middle-end/70831] [6/7 Regression] FTBFS: Build fails with bootstrap-lto and profiledbootstrap

[t at sharklasers dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70831

JD <t at sharklasers dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |t at sharklasers dot com

--- Comment #9 from JD <t at sharklasers dot com> ---
Compiling GCC 6.3 using GCC 6.3 (built without LTO):

export CFLAGS='-march=native -O3 -flto -fuse-linker-plugin
-fno-fat-lto-objects'
export CXXFLAGS=$CFLAGS
export LDFLAGS='-O3 -flto=4 -fuse-linker-plugin'

$gcc-6.3.0/configure --prefix=/home/local/gcc-6.3.0lto
--enable-languages=c,c++,fortran --enable-gold=yes --enable-ld=yes
--with-build-config=bootstrap-lto --disable-multilib

gcc-6.3.0/libmpx/mpxwrap/mpx_wrappers.c: In function
'__mpx_wrapper_malloc.chkp':
gcc-6.3.0/libmpx/mpxwrap/mpx_wrappers.c:36:9: internal compiler error: in
ultimate_transparent_alias_target, at varasm.c:1263
   void *p = (void *)malloc (size);
         ^
0x10eaf03 ultimate_transparent_alias_target
        gcc-6.3.0/gcc/varasm.c:1263
0x10eb447 make_decl_rtl(tree_node*)
        gcc-6.3.0/gcc/varasm.c:1349
0x8070d9 rtx_for_function_call
        gcc-6.3.0/gcc/calls.c:1829
0x80a360 expand_call(tree_node*, rtx_def*, int)
        gcc-6.3.0/gcc/calls.c:3162
0x7ee34a expand_builtin_with_bounds(tree_node*, rtx_def*, rtx_def*,
machine_mode, int)
        gcc-6.3.0/gcc/builtins.c:6756
0x979710 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        gcc-6.3.0/gcc/expr.c:10622
0x96e220 expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
        gcc-6.3.0/gcc/expr.c:7969
0x9654c1 store_expr_with_bounds(tree_node*, rtx_def*, int, bool, bool,
tree_node*)
        gcc-6.3.0/gcc/expr.c:5406
0x964262 expand_assignment(tree_node*, tree_node*, bool)
        gcc-6.3.0/gcc/expr.c:5175
0x820bb3 expand_call_stmt
        gcc-6.3.0/gcc/cfgexpand.c:2658
0x823ac1 expand_gimple_stmt_1
        gcc-6.3.0/gcc/cfgexpand.c:3548
0x824198 expand_gimple_stmt
        gcc-6.3.0/gcc/cfgexpand.c:3714
0x82b316 expand_gimple_basic_block
        gcc-6.3.0/gcc/cfgexpand.c:5720
0x82cdd9 execute
        gcc-6.3.0/gcc/cfgexpand.c:6335
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Bug 69791 might be related.