1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/scev-1.c b/gcc/testsuite/gcc.dg/tree-ssa/scev-1.c
new file mode 100644
index 000000000..b959fa17b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/scev-1.c
@@ -0,0 +1,19 @@
+/* PR tree-optimization/19899 */
+/* Decrementing a floating-point variable in a loop caused an ICE.  */
+
+/* { dg-do run } */
+/* { dg-options "-O -ftree-vectorize" } */
+
+extern void abort (void);
+
+int main()
+{
+  float i=1;
+
+  while (i>=0)
+    --i;
+
+  if (i != -1)
+    abort();
+  return 0;
+}