From: Richard Guenther <rguenther@suse.de>
Date: Thu, 4 Nov 2010 15:17:24 +0000 (+0000)
Subject: re PR tree-optimization/46068 (ICE: in consider_split, at ipa-split.c:313 with asm... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9f2fbc99445e45c894c6170bef9d7e10ba8cc2d9;p=gcc.git

re PR tree-optimization/46068 (ICE: in consider_split, at ipa-split.c:313 with asm goto and __builtin_unreachable ())

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46068
	* ipa-split.c (consider_split): Remove gcc_unreachable.

	* gcc.dg/torture/pr46068.c: New testcase.

From-SVN: r166315
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 996b6cb1d07..206f860fe04 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-11-04  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/46068
+	* ipa-split.c (consider_split): Remove gcc_unreachable.
+
 2010-11-04  Richard Guenther  <rguenther@suse.de>
 
 	* tree-nested.c (build_addr): Use build_fold_addr_expr.
diff --git a/gcc/ipa-split.c b/gcc/ipa-split.c
index 23882b2f8a6..e46d270ec7e 100644
--- a/gcc/ipa-split.c
+++ b/gcc/ipa-split.c
@@ -310,7 +310,6 @@ consider_split (struct split_point *current, bitmap non_ssa_vars,
     {
       if (dump_file && (dump_flags & TDF_DETAILS))
 	fprintf (dump_file, "  Refused: header empty\n");
-      gcc_unreachable ();
       return;
     }
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c5ce28be1e3..e2179c7050d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-11-04  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/46068
+	* gcc.dg/torture/pr46068.c: New testcase.
+
 2010-11-04  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/45991
diff --git a/gcc/testsuite/gcc.dg/torture/pr46068.c b/gcc/testsuite/gcc.dg/torture/pr46068.c
new file mode 100644
index 00000000000..120119ce829
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr46068.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+
+void
+foo ()
+{
+  asm goto (""::::l1);
+  __builtin_unreachable ();
+l1:;
+}
+
+void
+bar ()
+{
+  foo ();
+  foo ();
+}