1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.test/fail_compilation/fix18575.d b/gcc/testsuite/gdc.test/fail_compilation/fix18575.d
new file mode 100644
index 00000000000..7b8f287b28e
--- /dev/null
+++ b/gcc/testsuite/gdc.test/fail_compilation/fix18575.d
@@ -0,0 +1,41 @@
+/* REQUIRED_ARGS: -preview=dip1000
+TEST_OUTPUT:
+---
+fail_compilation/fix18575.d(27): Error: returning `s.foo()` escapes a reference to local variable `s`
+fail_compilation/fix18575.d(31): Error: returning `s.foo()` escapes a reference to local variable `s`
+fail_compilation/fix18575.d(35): Error: returning `s.abc()` escapes a reference to local variable `s`
+fail_compilation/fix18575.d(39): Error: returning `s.ghi(t)` escapes a reference to local variable `t`
+---
+*/
+
+// https://issues.dlang.org/show_bug.cgi?id=18575
+
+@safe:
+
+struct S {
+@safe:
+    int x;
+
+    void bar() { }
+    auto foo() { return &this.bar; }
+    auto def() { return &bar; }
+    auto abc() { return &x; }
+    auto ghi(ref S s) { return &s.bar; }
+}
+
+auto f(S s) {
+    return s.foo();
+}
+
+auto g(S s) {
+    return s.foo();
+}
+
+auto h(S s) {
+    return s.abc();
+}
+
+auto j(S s, S t) {
+    return s.ghi(t);
+}
+