PR c++/15116:

    	* gdbtypes.c (types_equal): Handle TYPE_CODE_FUNC.
gdb/testsuite
    	* gdb.cp/overload.cc (intintfunc): New.
    	* gdb.cp/overload.exp: Add regression test.

1 files changed, 19 insertions, 0 deletions

diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c
index 12730d7b12b..a1c4018e69d 100644
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -2456,6 +2456,25 @@ types_equal (struct type *a, struct type *b)
   if (a == b)
     return 1;
 
+  /* Two function types are equal if their argument and return types
+     are equal.  */
+  if (TYPE_CODE (a) == TYPE_CODE_FUNC)
+    {
+      int i;
+
+      if (TYPE_NFIELDS (a) != TYPE_NFIELDS (b))
+	return 0;
+      
+      if (!types_equal (TYPE_TARGET_TYPE (a), TYPE_TARGET_TYPE (b)))
+	return 0;
+
+      for (i = 0; i < TYPE_NFIELDS (a); ++i)
+	if (!types_equal (TYPE_FIELD_TYPE (a, i), TYPE_FIELD_TYPE (b, i)))
+	  return 0;
+
+      return 1;
+    }
+
   return 0;
 }