[Bug target/63534] [5 Regression] Bootstrap failure on x86_64/i686-linux

[evstupac at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63534

--- Comment #12 from Stupachenko Evgeny <evstupac at gmail dot com> ---
(In reply to Dominique d'Humieres from comment #9)
> r216154 broke bootstrap on x86_64-apple-darwin13 too while building
> libstdc++-v3:
> 
> libtool: compile:  /opt/gcc/p_build/./gcc/xgcc -shared-libgcc
> -B/opt/gcc/p_build/./gcc -nostdinc++
> -L/opt/gcc/p_build/x86_64-apple-darwin13.4.0/i386/libstdc++-v3/src
> -L/opt/gcc/p_build/x86_64-apple-darwin13.4.0/i386/libstdc++-v3/src/.libs
> -L/opt/gcc/p_build/x86_64-apple-darwin13.4.0/i386/libstdc++-v3/libsupc++/.
> libs -B/opt/gcc/gcc4.10p-216154/x86_64-apple-darwin13.4.0/bin/
> -B/opt/gcc/gcc4.10p-216154/x86_64-apple-darwin13.4.0/lib/ -isystem
> /opt/gcc/gcc4.10p-216154/x86_64-apple-darwin13.4.0/include -isystem
> /opt/gcc/gcc4.10p-216154/x86_64-apple-darwin13.4.0/sys-include -m32
> -I/opt/gcc/p_work/libstdc++-v3/../libgcc
> -I/opt/gcc/p_build/x86_64-apple-darwin13.4.0/i386/libstdc++-v3/include/
> x86_64-apple-darwin13.4.0
> -I/opt/gcc/p_build/x86_64-apple-darwin13.4.0/i386/libstdc++-v3/include
> -I/opt/gcc/p_work/libstdc++-v3/libsupc++ -D_GLIBCXX_SHARED
> -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi
> -fdiagnostics-show-location=once -fvisibility-inlines-hidden
> -ffunction-sections -fdata-sections -frandom-seed=atexit_thread.lo -g -O2
> -m32 -std=gnu++11 -c
> ../../../../../p_work/libstdc++-v3/libsupc++/atexit_thread.cc  -fno-common
> -DPIC -D_GLIBCXX_SHARED -o atexit_thread.o
> ../../../../../p_work/libstdc++-v3/libsupc++/atexit_thread.cc: In function
> 'void {anonymous}::key_init()':
> ../../../../../p_work/libstdc++-v3/libsupc++/atexit_thread.cc:111:3:
> internal compiler error: in cselib_invalidate_regno, at cselib.c:2146
>    }
>    ^
> 
> ../../../../../p_work/libstdc++-v3/libsupc++/atexit_thread.cc:111:3:
> internal compiler error: Abort trap: 6
> xgcc: internal compiler error: Abort trap: 6 (program cc1plus)

We are trying to reproduce the issue. Can you please send me/attach rtl dumps
on the fail?