Test case warning fixes for nodejs

nodejs 4.2.1 on Ubuntu Xenial Xerus

Examples/test-suite/cpp_enum.i

@@ -6,6 +6,12 @@ The primary purpose of this testcase is to ensure that enums used along with the
 
 %inline %{
 
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for anonymous enums */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+
 enum SOME_ENUM {ENUM_ONE, ENUM_TWO};
 
 struct StructWithEnums {

Examples/test-suite/enum_thorough.i

@@ -47,6 +47,12 @@
 
 %inline %{
 
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for anonymous enums */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+
 enum { AnonEnum1, AnonEnum2 = 100 };
 enum { ReallyAnInteger = 200 };
 //enum { AnonEnum3, AnonEnum4 } instance;

Examples/test-suite/enums.i

@@ -12,6 +12,12 @@
 
 %inline %{
 
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for anonymous enums */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+
 typedef enum { 
     CSP_ITERATION_FWD,
     CSP_ITERATION_BWD = 11

Examples/test-suite/nested.i

@@ -13,6 +13,18 @@ Also tests reported error when a #define placed in a deeply embedded struct/unio
 %rename(InUnNamed) OuterStructNamed::Inner_union_named;
 #endif
 
+#if defined(SWIG_JAVASCRIPT_V8)
+
+%inline %{
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for nested C class wrappers compiled as C++ code */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+%}
+
+#endif
+
 %inline %{
 
 struct TestStruct {

Examples/test-suite/nested_extend_c.i

@@ -1,5 +1,17 @@
 %module nested_extend_c
 
+#if defined(SWIG_JAVASCRIPT_V8)
+
+%inline %{
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for nested C class wrappers compiled as C++ code */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+%}
+
+#endif
+
 #if !defined(SWIGOCTAVE) && !defined(SWIG_JAVASCRIPT_V8)
 %extend hiA {
   hiA() {

Examples/test-suite/nested_structs.i

@@ -1,5 +1,17 @@
 %module nested_structs
 
+#if defined(SWIG_JAVASCRIPT_V8)
+
+%inline %{
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for nested C class wrappers compiled as C++ code */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+%}
+
+#endif
+
 // bug #491476
 %inline %{
 struct Outer {

Examples/test-suite/typedef_struct.i

@@ -1,6 +1,13 @@
 %module typedef_struct
 
 %inline %{
+
+#if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
+/* for anonymous enums */
+/* dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasing] */
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#endif
+
   typedef struct {
     int numpoints;
   } LineObj;