1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/cse1.C b/gcc/testsuite/g++.dg/opt/cse1.C
new file mode 100644
index 000000000..be1ad5a11
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/cse1.C
@@ -0,0 +1,12 @@
+// PR optimization/6759
+// This testcase ICEd on SPARC because folded REG_EQUAL
+// note was note stored back and fold_rtx left invalid rtx
+// in it.
+// { dg-do compile }
+// { dg-options "-O2" }
+
+struct A
+{
+  long long a;
+  A (unsigned short d) : a (d) {}
+} x (65535);