1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/copysign-1.C b/gcc/testsuite/g++.dg/opt/copysign-1.C
new file mode 100644
index 000000000..347bec26e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/copysign-1.C
@@ -0,0 +1,10 @@
+// { dg-options "-O2" }
+// { dg-do compile }
+// PR rtl-opt/27883
+// MIPS used to ICE because local flow update
+// was not removing an invalid REG_DEAD.
+
+
+double copysign (double x, double y);
+double GetDouble();
+double a = copysign (1.0, GetDouble());