1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr46893.c b/gcc/testsuite/gcc.dg/pr46893.c
new file mode 100644
index 000000000..ef97e2edf
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr46893.c
@@ -0,0 +1,13 @@
+/* PR debug/46893 */
+/* { dg-do compile } */
+/* { dg-options "-O -g" } */
+
+void
+foo (void)
+{
+  union { unsigned long long l; double d; } u = { 0x7ff0000000000000ULL };
+  double v = 0, w = -u.d;
+
+  if (w)
+    w = v;
+}