re PR tree-optimization/48129 (gcc.c-torture/execute/builtins/snprintf-chk.c ICE)

	PR tree-optimization/48129
	* builtins.c (fold_builtin_snprintf): Convert to type of
	built_in_decls[BUILT_IN_SNPRINTF] retval instead of
	implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.

From-SVN: r170985

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3c55339..ec59459 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-03-15  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/48129
+       * builtins.c (fold_builtin_snprintf): Convert to type of
+       built_in_decls[BUILT_IN_SNPRINTF] retval instead of
+       implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.
+
 2011-03-15  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/41490

diff --git a/gcc/builtins.c b/gcc/builtins.c
index a59b23c..ad21b2d 100644 (file)
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -12038,9 +12038,8 @@ fold_builtin_snprintf (location_t loc, tree dest, tree destsize, tree fmt,
 
   if (call && retval)
     {
-      retval = fold_convert_loc
-       (loc, TREE_TYPE (TREE_TYPE (implicit_built_in_decls[BUILT_IN_SNPRINTF])),
-        retval);
+      tree fn = built_in_decls[BUILT_IN_SNPRINTF];
+      retval = fold_convert_loc (loc, TREE_TYPE (TREE_TYPE (fn)), retval);
       return build2 (COMPOUND_EXPR, TREE_TYPE (retval), call, retval);
     }
   else