[Bug rtl-optimization/50615] [4.7 Regression] ICE: in distribute_notes, at combine.c:13282 with -O --param max-cse-insns=1

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50615

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-10-16 
13:14:37 UTC ---
Author: ebotcazou
Date: Sun Oct 16 13:14:34 2011
New Revision: 180058

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180058
Log:
    PR rtl-optimization/50615
    * combine.c (distribute_notes) <REG_ARGS_SIZE>: Skip if I3 is a no-op.

Added:
    trunk/gcc/testsuite/gcc.dg/vla-23.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog