--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Sema/attr-long-call.c	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple mips-linux-gnu -fsyntax-only -verify %s
+// RUN: %clang_cc1 -triple mips64-linux-gnu -fsyntax-only -verify %s
+
+__attribute__((long_call(0))) void foo1();  // expected-error {{'long_call' attribute takes no arguments}}
+__attribute__((short_call(0))) void foo9();  // expected-error {{'short_call' attribute takes no arguments}}
+__attribute__((far(0))) void foo2();  // expected-error {{'far' attribute takes no arguments}}
+__attribute__((near(0))) void foo3();  // expected-error {{'near' attribute takes no arguments}}
+
+__attribute((long_call)) int a; // expected-warning {{attribute only applies to functions}}
+__attribute((short_call)) int d; // expected-warning {{attribute only applies to functions}}
+__attribute((far)) int a; // expected-warning {{attribute only applies to functions}}
+__attribute((near)) int a; // expected-warning {{attribute only applies to functions}}
+
+__attribute((long_call)) void foo4();
+__attribute((short_call)) void foo10();
+__attribute((far)) void foo5();
+__attribute((near)) void foo6();
+
+__attribute((long_call, far)) void foo7();
+__attribute((short_call, near)) void foo11();
+
+__attribute((far, near)) void foo8(); // expected-error {{'near' and 'far' attributes are not compatible}} \
+                                      // expected-note {{conflicting attribute is here}}
+
+__attribute((short_call, long_call)) void foo12(); // expected-error {{'long_call' and 'short_call' attributes are not compatible}} \
+                                                   // expected-note {{conflicting attribute is here}}