From: rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 7 Jan 2003 20:14:51 +0000 (+0000)
Subject:         * cfganal.c (flow_call_edges_add): Don't crash on noreturn call.
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=2c3f453c0cd6327271b63336f4e2fd87687a0789

    * cfganal.c (flow_call_edges_add): Don't crash on noreturn call.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61007 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ac0a80d0747..8acd3995591 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-01-07  Richard Henderson  <rth@redhat.com>
+
+	* cfganal.c (flow_call_edges_add): Don't crash on noreturn call.
+
 2003-01-07  Daniel Berlin  <dberlin@dberlin.org>
 
 	* cfg.c: Include alloc-pool.h
diff --git a/gcc/cfganal.c b/gcc/cfganal.c
index 170ba447315..a7878178fbd 100644
--- a/gcc/cfganal.c
+++ b/gcc/cfganal.c
@@ -1,6 +1,6 @@
 /* Control flow graph analysis code for GNU compiler.
    Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2003 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -322,10 +322,11 @@ flow_call_edges_add (blocks)
 
 	  for (e = bb->succ; e; e = e->succ_next)
 	    if (e->dest == EXIT_BLOCK_PTR)
-	      break;
-
-	  insert_insn_on_edge (gen_rtx_USE (VOIDmode, const0_rtx), e);
-	  commit_edge_insertions ();
+	      {
+		insert_insn_on_edge (gen_rtx_USE (VOIDmode, const0_rtx), e);
+		commit_edge_insertions ();
+		break;
+	      }
 	}
     }
 
diff --git a/gcc/testsuite/gcc.dg/20030107-1.c b/gcc/testsuite/gcc.dg/20030107-1.c
new file mode 100644
index 00000000000..9264eba701e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20030107-1.c
@@ -0,0 +1,5 @@
+/* { dg-do compile } */
+/* { dg-options "-fprofile-arcs" } */
+
+extern void bar(void) __attribute__((noreturn));
+int foo (void) { bar(); }