1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr48335-3.c b/gcc/testsuite/gcc.dg/pr48335-3.c
new file mode 100644
index 00000000000..9041f591fff
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr48335-3.c
@@ -0,0 +1,48 @@
+/* PR middle-end/48335 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-tree-sra" } */
+
+typedef short U __attribute__((may_alias, aligned (1)));
+
+struct S
+{
+  double d;
+};
+
+void bar (struct S);
+
+void
+f1 (int x)
+{
+  struct S s = { .d = 0.0 };
+  ((U *)((char *) &s.d + 1))[0] = x;
+  __real__ s.d *= 7.0;
+  bar (s);
+}
+
+void
+f2 (int x)
+{
+  struct S s = { .d = 0.0 };
+  ((U *)((char *) &s.d + 1))[1] = x;
+  __real__ s.d *= 7.0;
+  bar (s);
+}
+
+void
+f3 (int x)
+{
+  struct S s = { .d = 0.0 };
+  ((U *)((char *) &s.d + 1))[2] = x;
+  __real__ s.d *= 7.0;
+  bar (s);
+}
+
+void
+f4 (int x)
+{
+  struct S s = { .d = 0.0 };
+  ((U *)((char *) &s.d + 1))[3] = x;
+  __real__ s.d *= 7.0;
+  bar (s);
+}