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-rw-r--r--gcc/expr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/expr.h b/gcc/expr.h
index d4d25645f61..4177de8060b 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -288,7 +288,7 @@ expand_normal (tree exp)
/* Return the tree node and offset if a given argument corresponds to
a string constant. */
-extern tree string_constant (tree, tree *, tree * = NULL);
+extern tree string_constant (tree, tree *, tree *, tree *);
/* Two different ways of generating switch statements. */
extern int try_casesi (tree, tree, tree, tree, rtx, rtx, rtx, profile_probability);