1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr23391.c b/gcc/testsuite/gcc.dg/tree-ssa/pr23391.c
new file mode 100644
index 000000000..a5effbb15
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr23391.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+void 
+foo (int N) 
+{ 
+  int C; 
+  double R; 
+ 
+  R = 0.0; 
+  do 
+    { 
+      R += 0.001; 
+      C = (int) (R * N); 
+      if (-R * N <= R * N) 
+        { 
+          C++; 
+        } 
+    } 
+  while (C < 0); 
+ 
+  return; 
+}