re PR libgcc/66854 (libgcc2.c:1846:9: internal compiler error: Segmentation fault)

2015-07-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/66854
	* config/rs6000/rs6000.c (rs6000_pass_by_reference): Move test for
	null before IEEE 128-bit floating point support patch.

From-SVN: r225843

gcc/ChangeLog

+2015-07-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	PR target/66854
+	* config/rs6000/rs6000.c (rs6000_pass_by_reference): Move test for
+	null before IEEE 128-bit floating point support patch.
+
 2015-07-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	* simplify-rtx.c (simplify_ternary_operation): Add simplification

gcc/config/rs6000/rs6000.c

@@ -10832,6 +10832,9 @@ rs6000_pass_by_reference (cumulative_args_t cum ATTRIBUTE_UNUSED,
 			  machine_mode mode, const_tree type,
 			  bool named ATTRIBUTE_UNUSED)
 {
+  if (!type)
+    return 0;
+
   if (DEFAULT_ABI == ABI_V4 && TARGET_IEEEQUAD
       && FLOAT128_IEEE_P (TYPE_MODE (type)))
     {
@@ -10840,9 +10843,6 @@ rs6000_pass_by_reference (cumulative_args_t cum ATTRIBUTE_UNUSED,
       return 1;
     }
 
-  if (!type)
-    return 0;
-
   if (DEFAULT_ABI == ABI_V4 && AGGREGATE_TYPE_P (type))
     {
       if (TARGET_DEBUG_ARG)