From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 9 Mar 2009 14:01:29 +0000 (+0000)
Subject: 	PR tree-optimization/39394
X-Git-Tag: upstream/4.9.2~37557
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=488551891cc366040781160f6616055d79d4173d;p=platform%2Fupstream%2Flinaro-gcc.git

	PR tree-optimization/39394
	* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
	DECL_SIZE_UNIT of variable length FIELD_DECLs.

	* gcc.c-torture/compile/pr39394.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144727 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 300507d..341bcc6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-03-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/39394
+	* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
+	DECL_SIZE_UNIT of variable length FIELD_DECLs.
+
 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
 	* recog.c (verfiy_changes): Disallow renaming of hard regs in
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 02d4923..b0c6592 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -7141,6 +7141,8 @@ gimplify_type_sizes (tree type, gimple_seq *list_p)
 	if (TREE_CODE (field) == FIELD_DECL)
 	  {
 	    gimplify_one_sizepos (&DECL_FIELD_OFFSET (field), list_p);
+	    gimplify_one_sizepos (&DECL_SIZE (field), list_p);
+	    gimplify_one_sizepos (&DECL_SIZE_UNIT (field), list_p);
 	    gimplify_type_sizes (TREE_TYPE (field), list_p);
 	  }
       break;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0651163..5329e90 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/39394
+	* gcc.c-torture/compile/pr39394.c: New test.
+
 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
 	* gcc.target/s390/20090223-1.c: New testcase.
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr39394.c b/gcc/testsuite/gcc.c-torture/compile/pr39394.c
new file mode 100644
index 0000000..325a08f
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr39394.c
@@ -0,0 +1,28 @@
+/* PR tree-optimization/39394 */
+
+char *p;
+int x;
+
+static inline void
+f1 (int n)
+{
+  asm volatile ("" : "=m" (*(struct { char x[n]; } *) p));
+}
+
+static inline void
+f2 (void)
+{
+  x ? f1 (1) : f1 (2);
+}
+
+static inline void
+f3 (void)
+{
+  f2 ();
+}
+
+void
+f4 (void)
+{
+  f3 ();
+}