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diff --git a/clang/test/Sema/format-strings-size_t.c b/clang/test/Sema/format-strings-size_t.c
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+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
+
+int printf(char const *, ...);
+
+void test(void) {
+ // size_t
+ printf("%zu", (double)42); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'double'}}
+
+ // intmax_t / uintmax_t
+ printf("%jd", (double)42); // expected-warning {{format specifies type 'intmax_t' (aka 'long') but the argument has type 'double'}}
+ printf("%ju", (double)42); // expected-warning {{format specifies type 'uintmax_t' (aka 'unsigned long') but the argument has type 'double'}}
+
+ // ptrdiff_t
+ printf("%td", (double)42); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'long') but the argument has type 'double'}}
+}