1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr31345-1.c b/gcc/testsuite/gcc.c-torture/compile/pr31345-1.c
new file mode 100644
index 000000000..fb4d8034c
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr31345-1.c
@@ -0,0 +1,24 @@
+/* PR tree-optimization/31345
+   This caused a crash in VRP when dealing with overflow infinities.  */
+
+void
+dpsnaffle (const char *kbuf)
+{
+  int hash, thash, head[2], off;
+    {
+      int _DP_i;
+      (hash) = 19780211;
+        {
+          (hash) = (hash) + (kbuf)[_DP_i];
+        }
+      (hash) = ((hash) * 43321879) & 0x7FFFFFFF;
+    }
+  while (off != 0)
+    {
+      if (hash > thash) {}
+      else if (hash < thash)
+        {
+          off = head[2];
+        }
+    }
+}