linux-unwind.h (shmedia_fallback_frame_state): Disable aliasing warning with void * cast.

	* config/sh/linux-unwind.h (shmedia_fallback_frame_state):
	Disable	aliasing warning with void * cast.
	(sh_fallback_frame_state): Likewise.

From-SVN: r101412

gcc/ChangeLog

 2005-06-29  Kaz Kojima  <kkojima@gcc.gnu.org>
 
+	* config/sh/linux-unwind.h (shmedia_fallback_frame_state):
+	Disable	aliasing warning with void * cast.
+	(sh_fallback_frame_state): Likewise.
+
+2005-06-29  Kaz Kojima  <kkojima@gcc.gnu.org>
+
 	* target.h (gcc_target): New field allocate_initial_value.
 	* target-def.h (TARGET_ALLOCATE_INITIAL_VALUE): New macro.
 	(TARGET_INITIALIZER): Include it.

gcc/config/sh/linux-unwind.h

@@ -85,7 +85,10 @@ shmedia_fallback_frame_state (struct _Unwind_Context *context,
 	struct siginfo info;
 	struct ucontext uc;
       } *rt_ = context->cfa;
-      sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
+      /* The void * cast is necessary to avoid an aliasing warning.
+         The aliasing warning is correct, but should not be a problem
+         because it does not alias anything.  */
+      sc = (struct sigcontext *) (void *) &rt_->uc.uc_mcontext;
     }
   else
     return _URC_END_OF_STACK;
@@ -178,7 +181,10 @@ sh_fallback_frame_state (struct _Unwind_Context *context,
 	struct siginfo info;
 	struct ucontext uc;
       } *rt_ = context->cfa;
-      sc = (struct sigcontext *) &rt_->uc.uc_mcontext;
+      /* The void * cast is necessary to avoid an aliasing warning.
+         The aliasing warning is correct, but should not be a problem
+         because it does not alias anything.  */
+      sc = (struct sigcontext *) (void *) &rt_->uc.uc_mcontext;
     }
   else
     return _URC_END_OF_STACK;