From: Stuart Henderson <shenders@gcc.gnu.org>
Date: Thu, 2 Jun 2011 16:16:52 +0000 (+0000)
Subject: re PR target/48807 (Segfault building newlib for bfin)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6e588138db4f545f3d14b96fe946150b594294ae;p=gcc.git

re PR target/48807 (Segfault building newlib for bfin)

2011-06-02  Stuart Henderson  <shenders@gcc.gnu.org>

    PR target/48807
    * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Check return value
    of cgraph_local_info for null before attempting to use it.

From-SVN: r174567
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c44ba410c88..5bd12d2b8d0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-02  Stuart Henderson  <shenders@gcc.gnu.org>
+
+	PR target/48807
+	* config/bfin/bfin.c (bfin_function_ok_for_sibcall): Check return value
+	of cgraph_local_info for null before attempting to use it.
+
 2011-06-02  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* function.h (struct stack_usage): Remove dynamic_alloc_count field.
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index 4f371fd928f..0b860c510b6 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -2110,6 +2110,8 @@ bfin_function_ok_for_sibcall (tree decl ATTRIBUTE_UNUSED,
  
   this_func = cgraph_local_info (current_function_decl);
   called_func = cgraph_local_info (decl);
+  if (!called_func)
+    return false;
   return !called_func->local || this_func->local;
 }