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.

gdb/ChangeLog

@@ -1,3 +1,8 @@
+2013-03-15  Tom Tromey  <tromey@redhat.com>
+
+	PR c++/15116:
+	* gdbtypes.c (types_equal): Handle TYPE_CODE_FUNC.
+
 2013-03-14  Tom Tromey  <tromey@redhat.com>
 
 	* gdb_bfd.c (struct gdb_bfd_data) <crc_computed, crc>:

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;
 }
 

gdb/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2013-03-15  Tom Tromey  <tromey@redhat.com>
+
+	* gdb.cp/overload.cc (intintfunc): New.
+	* gdb.cp/overload.exp: Add regression test.
+
 2013-03-15  Yao Qi  <yao@codesourcery.com>
 
 	* gdb.threads/non-ldr-exc-1.exp (do_test): Fix the indent of

gdb/testsuite/gdb.cp/overload.cc

@@ -97,6 +97,8 @@ class D: C {};
 int bar (A) { return 11; }
 int bar (B) { return 22; }
 
+int intintfunc (int x) { return x; }
+
 int main () 
 {
     char arg2 = 2;

gdb/testsuite/gdb.cp/overload.exp

@@ -139,6 +139,9 @@ gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\
 gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
     "print call overloaded func 1 arg"
 
+# Regression test for overloading with function pointer type.
+gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23"
+
 # If GDB fails to restore the selected frame properly after the
 # inferior function call above (see GDB PR 1155 for an explanation of
 # why this might happen), all the subsequent tests will fail.  We