Merge master r12-8312.devel/c++-coroutines

	* Merge master r12-8312-gb85e79dce149.

1 files changed, 28 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c b/gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c
new file mode 100644
index 00000000000..40137d97555
--- /dev/null
+++ b/gcc/testsuite/gcc.target/loongarch/zero-size-field-ret.c
@@ -0,0 +1,28 @@
+/* Test that LoongArch backend ignores zero-sized fields of aggregates in
+   returning.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -mdouble-float -mabi=lp64d" } */
+/* { dg-final { scan-assembler-not "\\\$r4" } } */
+
+struct test
+{
+  int empty1[0];
+  double empty2[0];
+  int : 0;
+  float x;
+  long empty3[0];
+  long : 0;
+  float y;
+  unsigned : 0;
+  char empty4[0];
+};
+
+extern struct test callee (void);
+
+float
+caller (void)
+{
+  struct test test = callee ();
+  return test.x + test.y;
+}