diff -Nur gcc-4.6.3.orig/gcc/config/i386/linux-unwind.h gcc-4.6.3/gcc/config/i386/linux-unwind.h
--- gcc-4.6.3.orig/gcc/config/i386/linux-unwind.h	2011-01-03 21:52:22.000000000 +0100
+++ gcc-4.6.3/gcc/config/i386/linux-unwind.h	2012-08-02 11:47:11.000000000 +0200
@@ -133,9 +133,9 @@
     {
       struct rt_sigframe {
 	int sig;
-	struct siginfo *pinfo;
+	siginfo_t *pinfo;
 	void *puc;
-	struct siginfo info;
+	siginfo_t info;
 	struct ucontext uc;
       } *rt_ = context->cfa;
       /* The void * cast is necessary to avoid an aliasing warning.