rts: introduce (and use) `STG_NORETURN`

Instead of sprinkling the codebase with
`GNU(C3)_ATTRIBUTE(__noreturn__)`, add a `STG_NORETURN` macro (for,
basically, the same thing) similar to `STG_UNUSED` and others, and
update the code to use this macro where applicable.

1 files changed, 1 insertions, 1 deletions

diff --git a/rts/Hpc.c b/rts/Hpc.c
index edbad500c0..13f2ab87a2 100644
--- a/rts/Hpc.c
+++ b/rts/Hpc.c
@@ -45,7 +45,7 @@ HpcModuleInfo *modules = 0;
 
 static char *tixFilename = NULL;
 
-static void GNU_ATTRIBUTE(__noreturn__)
+static void STG_NORETURN
 failure(char *msg) {
   debugTrace(DEBUG_hpc,"hpc failure: %s\n",msg);
   fprintf(stderr,"Hpc failure: %s\n",msg);