[Bug middle-end/67639] ICE at -O1 and above on x86_64-linux-gnu in expand_gimple_basic_block, at cfgexpand.c:5697

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67639

--- Comment #4 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Author: bernds
Date: Thu Jan  7 12:17:39 2016
New Revision: 232125

URL: https://gcc.gnu.org/viewcvs?rev=232125&root=gcc&view=rev
Log:
Fix SSA inconsistencies with invalid asm reg names (PR67639)

        PR middle-end/67639
        * varasm.c (make_decl_rtl): Mark invalid register vars as
        DECL_EXTERNAL.

testsuite/
        PR middle-end/67639
        * c-c++-common/pr67639.c: New test.


Added:
    trunk/gcc/testsuite/c-c++-common/pr67639.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/varasm.c