1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/sra-8.c b/gcc/testsuite/gcc.dg/tree-ssa/sra-8.c
new file mode 100644
index 000000000..d43bbe0d8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/sra-8.c
@@ -0,0 +1,35 @@
+/* A testcase for PR 40744.  We do not want to create replacements for object
+   that are dead or have only a single use, whenever it can be avoided
+   simply. */
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-esra-details" } */
+
+struct X { int i; int j; };
+
+void foo(void)
+{
+  struct X x;
+  x.i = 1;
+  x.j = 2;
+}
+
+
+int bar(struct X x)
+{
+  return x.i;
+}
+
+
+extern void do_something (struct X);
+
+void bar2(int i, int j)
+{
+  struct X x;
+
+  x.i = i;
+  x.j = j;
+  do_something (x);
+}
+
+/* { dg-final { scan-tree-dump-times "Created a replacement" 0 "esra"} } */
+/* { dg-final { cleanup-tree-dump "esra" } } */