postreload-gcse: no insert on mere lookup

lookup_expr_in_table is not used for insertions, but it mistakenly
used INSERT rather than NO_INSERT.

for  gcc/ChangeLog

	* postreload-gcse.cc (lookup_expr_in_table): Use NO_INSERT.

diff --git a/gcc/postreload-gcse.cc b/gcc/postreload-gcse.cc
index 1c795b43ca36b1f486950adbe9ad97b390b0b75f..2818f54dedd29eab7d14ed669373fd578d233b53 100644 (file)
--- a/gcc/postreload-gcse.cc
+++ b/gcc/postreload-gcse.cc
@@ -447,7 +447,7 @@ lookup_expr_in_table (rtx pat)
   tmp_expr->hash = hash;
   tmp_expr->avail_occr = NULL;
 
-  slot = expr_table->find_slot_with_hash (tmp_expr, hash, INSERT);
+  slot = expr_table->find_slot_with_hash (tmp_expr, hash, NO_INSERT);
   obstack_free (&expr_obstack, tmp_expr);
 
   if (!slot)