[PATCH] Fix glitch in replace_stmt_with_simplification

[Richard Biener]

Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.

Richard.

2014-12-04  Richard Biener  <rguent...@suse.de>

        * gimple-fold.c (replace_stmt_with_simplification): Properly
        fail when maybe_push_res_to_seq fails.

Index: gcc/gimple-fold.c
===================================================================
--- gcc/gimple-fold.c   (revision 218343)
+++ gcc/gimple-fold.c   (working copy)
@@ -3345,8 +3408,9 @@ replace_stmt_with_simplification (gimple
       if (gimple_has_lhs (stmt))
        {
          tree lhs = gimple_get_lhs (stmt);
-         maybe_push_res_to_seq (rcode, TREE_TYPE (lhs),
-                                ops, seq, lhs);
+         if (!maybe_push_res_to_seq (rcode, TREE_TYPE (lhs),
+                                     ops, seq, lhs))
+           return false;
          if (dump_file && (dump_flags & TDF_DETAILS))
            {
              fprintf (dump_file, "gimple_simplified to ");