Add support for const pointer to literal-objc string as format attribute.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148948 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/format-strings-objc.m b/test/SemaObjC/format-strings-objc.m
index a2fe841..b0c87fe 100644
--- a/test/SemaObjC/format-strings-objc.m
+++ b/test/SemaObjC/format-strings-objc.m
@@ -89,3 +89,21 @@
NSLog(@"%@ %@", x, (BOOL) 1); // expected-warning {{format specifies type 'id' but the argument has type 'BOOL' (aka 'signed char')}}
}
+NSString *test_literal_propagation(void) {
+ const char * const s1 = "constant string %s"; // expected-note {{format string is defined here}}
+ printf(s1); // expected-warning {{more '%' conversions than data arguments}}
+ const char * const s5 = "constant string %s"; // expected-note {{format string is defined here}}
+ const char * const s2 = s5;
+ printf(s2); // expected-warning {{more '%' conversions than data arguments}}
+
+ const char * const s3 = (const char *)0;
+ printf(s3); // expected-warning {{format string is not a string literal}}
+
+ NSString * const ns1 = @"constant string %s"; // expected-note {{format string is defined here}}
+ NSLog(ns1); // expected-warning {{more '%' conversions than data arguments}}
+ NSString * const ns5 = @"constant string %s"; // expected-note {{format string is defined here}}
+ NSString * const ns2 = ns5;
+ NSLog(ns2); // expected-warning {{more '%' conversions than data arguments}}
+ NSString * ns3 = ns1;
+ NSLog(ns3); // expected-warning {{format string is not a string literal}}}
+}