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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/scev-2.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/scev-2.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/scev-2.c b/gcc/testsuite/gcc.dg/tree-ssa/scev-2.c
new file mode 100644
index 000000000..0cac99475
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/scev-2.c
@@ -0,0 +1,20 @@
+/* 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()
+{
+ double a = 20;
+ int i;
+
+ for (i = 0; i < 10; ++i)
+ a -= 2;
+
+ if (a)
+ abort();
+ return 0;
+}