From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 20 Nov 2015 19:49:47 +0000 (+0100)
Subject: re PR middle-end/68339 (g++.dg/vect/simd-clone-2.cc ICEs with aggressive GC settings... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9a784760f136a97e6cc39816788ca4ddff0193af;p=gcc.git

re PR middle-end/68339 (g++.dg/vect/simd-clone-2.cc ICEs with aggressive GC settings and OpenMP)

	PR middle-end/68339
	* omp-low.c (expand_simd_clones): Call node->get_body () before
	allocating stuff in GC.

	* gcc.dg/vect/pr68339.c: New test.

From-SVN: r230671
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e5607466d36..0b7194b848a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/68339
+	* omp-low.c (expand_simd_clones): Call node->get_body () before
+	allocating stuff in GC.
+
 2015-11-20  Jim Wilson  <jim.wilson@linaro.org>
 
 	* tree-vect-data-refs.c (compare_tree): Call STRIP_NOPS.
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 830db75a0e6..0b6630bb7df 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -18319,6 +18319,10 @@ expand_simd_clones (struct cgraph_node *node)
       && TYPE_ARG_TYPES (TREE_TYPE (node->decl)) == NULL_TREE)
     return;
 
+  /* Call this before creating clone_info, as it might ggc_collect.  */
+  if (node->definition && node->has_gimple_body_p ())
+    node->get_body ();
+
   do
     {
       /* Start with parsing the "omp declare simd" attribute(s).  */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d55f6dd231b..de70aae1a04 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/68339
+	* gcc.dg/vect/pr68339.c: New test.
+
 2015-11-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* gcc.target/arm/armv6-unaligned-load-ice.c: New test.
diff --git a/gcc/testsuite/gcc.dg/vect/pr68339.c b/gcc/testsuite/gcc.dg/vect/pr68339.c
new file mode 100644
index 00000000000..ab0eede62e7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr68339.c
@@ -0,0 +1,17 @@
+/* PR middle-end/68339 */
+/* { dg-do compile } */
+/* { dg-options "--param ggc-min-heapsize=0 --param ggc-min-expand=0 -fopenmp-simd" } */
+
+#pragma omp declare simd notinbranch
+int
+f1 (int x)
+{
+  return x;
+}
+
+#pragma omp declare simd notinbranch
+int
+f2 (int x)
+{
+  return x;
+}