Tweeked gcc workaround (gcc 3 still has same problem as gcc 2.9x), added tentative Metrowerks and Intel compiler workarounds.

[SVN r10422]

libs/utility

@@ -1 +1 @@
-Subproject commit ff3a77ca5aab4a18cec3784a741bce292e152c53
+Subproject commit 50ba2d419a9fe5281e1b179fed4a79424a42e07a