re PR rtl-optimization/57304 (Revision 198896 segfaults building cpu2000 benchmark 176.gcc)

PR rtl-optimization/57304 * web.c (union_match_dups): Ensure that DF_REF_LOC exists before accessing DF_REF_REAL_LOC. From-SVN: r199030

re PR rtl-optimization/57304 (Revision 198896 segfaults building cpu2000 benchmark 176.gcc)
PR rtl-optimization/57304 * web.c (union_match_dups): Ensure that DF_REF_LOC exists before accessing DF_REF_REAL_LOC. From-SVN: r199030
816a3f73 · Mike Stump · d6545f29 · 816a3f73
Commit 816a3f73 authored May 17, 2013 by Mike Stump
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 2013-05-17  Mike Stump  <mikestump@comcast.net>

+	PR rtl-optimization/57304
 	* web.c (union_match_dups): Ensure that DF_REF_LOC exists before
 	accessing DF_REF_REAL_LOC.