[COMMITTED] gcc: xtensa: fix pr95571 test for call0 ABI

[Max Filippov via Gcc-patches]

gcc/testsuite/
        * g++.target/xtensa/pr95571.C (__xtensa_libgcc_window_spill):
        New definition.
---
 gcc/testsuite/g++.target/xtensa/pr95571.C | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gcc/testsuite/g++.target/xtensa/pr95571.C 
b/gcc/testsuite/g++.target/xtensa/pr95571.C
index 59fe28528380..354e8cc660c7 100644
--- a/gcc/testsuite/g++.target/xtensa/pr95571.C
+++ b/gcc/testsuite/g++.target/xtensa/pr95571.C
@@ -3,6 +3,12 @@
 extern "C" void abort(void);
 extern "C" void __xtensa_libgcc_window_spill(void);
 
+#ifdef __XTENSA_CALL0_ABI__
+void __xtensa_libgcc_window_spill(void)
+{
+}
+#endif
+
 static int call;
 static int cnt;
 
-- 
2.30.2