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Date: Wed, 05 Dec 2018 14:55:00 -0000
From: Richard Biener <rguenther@suse.de>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH] Testcases PR63184
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Committed.

Richard.

2018-12-05  Richard Biener  <rguenther@suse.de>

	PR middle-end/63184
	* c-c++-common/pr19807-2.c: New testcase.
	* c-c++-common/pr19807-3.c: Likewise.

diff --git a/gcc/testsuite/c-c++-common/pr19807-2.c b/gcc/testsuite/c-c++-common/pr19807-2.c
new file mode 100644
index 00000000000..c8b2a57d654
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/pr19807-2.c
@@ -0,0 +1,12 @@
+/* { dg-do link } */
+/* { dg-options "-O" } */
+
+extern void link_error(void);
+int i;
+int main()
+{
+  int a[4];
+  if ((char*)&a[1] + 4*i + 4 != (char*)&a[i+2])
+    link_error();
+  return 0;
+}
diff --git a/gcc/testsuite/c-c++-common/pr19807-3.c b/gcc/testsuite/c-c++-common/pr19807-3.c
new file mode 100644
index 00000000000..d882bd369bf
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/pr19807-3.c
@@ -0,0 +1,12 @@
+/* { dg-do link } */
+/* { dg-options "-O" } */
+
+extern void link_error(void);
+int i;
+int main()
+{
+  int a[4];
+  if (&a[1] + i + 1 != &a[i+2])
+    link_error();
+  return 0;
+}