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(gcc-4.8) S390: Fix crash with -mhotpatch and gfortran

Message ID 20140212103030.GA11561@linux.vnet.ibm.com
State New
Headers show

Commit Message

Dominik Vogt Feb. 12, 2014, 10:30 a.m. UTC 
On Wed, Feb 12, 2014 at 11:28:38AM +0100, Dominik Vogt wrote:
> The attached patch fixes a crash if gfortran encounters a nested
> function when -mhotpatch is enabled.  (It slightly improves the
> warning message too.)
> 
> This patch affects s390 only.  Andreas Krebbel will commit the
> patch soon, if there are no objections.

Same patch for gcc-4.8.

Ciao

Dominik ^_^  ^_^
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Patch

From 0d9acbc61fa99ace25bc26d8af4f252d1c8c792d Mon Sep 17 00:00:00 2001
From: Dominik Vogt <vogt@de.ibm.com>
Date: Wed, 12 Feb 2014 05:53:34 +0000
Subject: [PATCH 1/2] S390: Fix crash when -mhotpatch encounters nested
 functions

(e.g. with gfortran).
---
 gcc/config/s390/s390.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 2ba1d8a..88c97c6 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -5475,9 +5475,8 @@  s390_asm_output_function_label (FILE *asm_out_file, const char *fname,
       if (hotpatch_trampoline_halfwords >= 0
 	  && decl_function_context (decl) != NULL_TREE)
 	{
-	  warning_at (0, DECL_SOURCE_LOCATION (decl),
-		      "hotpatch_prologue is not compatible with nested"
-		      " function");
+	  warning_at (0, OPT_mhotpatch,
+		      "hotpatching is not compatible with nested functions");
 	  hotpatch_trampoline_halfwords = -1;
 	}
     }
-- 
1.8.3.1