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+/* RUN: %clang_cc1 %s -std=c89 -pedantic -fsyntax-only -verify -Wimplicit-function-declaration
+ */
+void test1() {
+ {
+ int i;
+ i = i + 1;
+ int j; /* expected-warning {{mixing declarations and code}} */
+ }
+ {
+ __extension__ int i;
+ i = i + 1;
+ int j; /* expected-warning {{mixing declarations and code}} */
+ }
+ {
+ int i;
+ i = i + 1;
+ __extension__ int j; /* expected-warning {{mixing declarations and code}} */
+ }
+}
+
+long long test2; /* expected-warning {{extension}} */
+
+
+void test3(int i) {
+ int A[i]; /* expected-warning {{variable length array}} */
+}
+
+int test4 = 0LL; /* expected-warning {{long long}} */
+
+/* PR1999 */
+void test5(register);
+
+/* PR2041 */
+int *restrict;
+int *__restrict; /* expected-error {{expected identifier}} */
+
+
+/* Implicit int, always ok */
+test6() { return 0; }
+
+/* PR2012 */
+test7; /* expected-warning {{declaration specifier missing, defaulting to 'int'}} */
+
+void test8(int, x); /* expected-warning {{declaration specifier missing, defaulting to 'int'}} */
+
+typedef int sometype;
+int a(sometype, y) {return 0;} /* expected-warning {{declaration specifier missing, defaulting to 'int'}} \
+ expected-error {{parameter name omitted}}*/
+
+
+
+
+void bar (void *);
+void f11 (z) /* expected-error {{may not have 'void' type}} */
+void z;
+{ bar (&z); }
+
+typedef void T;
+void foo(T); /* typedef for void is allowed */
+
+void foo(void) {}
+
+/* PR2759 */
+void test10 (int x[*]); /* expected-warning {{variable length arrays are a C99 feature}} */
+void test11 (int x[static 4]); /* expected-warning {{static array size is a C99 feature}} */
+
+void test12 (int x[const 4]) { /* expected-warning {{qualifier in array size is a C99 feature}} */
+ int Y[x[1]]; /* expected-warning {{variable length arrays are a C99 feature}} */
+}
+
+/* PR4074 */
+struct test13 {
+ int X[23];
+} test13a();
+
+void test13b() {
+ int a = test13a().X[1]; /* expected-warning {{ISO C90 does not allow subscripting non-lvalue array}} */
+ int b = 1[test13a().X]; /* expected-warning {{ISO C90 does not allow subscripting non-lvalue array}} */
+}
+
+/* Make sure we allow *test14 as a "function designator" */
+int test14() { return (&*test14)(); }
+
+int test15[5] = { [2] = 1 }; /* expected-warning {{designated initializers are a C99 feature}} */
+
+extern int printf(__const char *__restrict __format, ...);
+
+/* Warn, but don't suggest typo correction. */
+void test16() {
+ printg("Hello, world!\n"); /* expected-warning {{implicit declaration of function 'printg'}} */
+}
+
+struct x { int x,y[]; }; /* expected-warning {{Flexible array members are a C99-specific feature}} */
+
+/* Duplicated type-qualifiers aren't allowed by C90 */
+const const int c_i; /* expected-warning {{duplicate 'const' declaration specifier}} */
+typedef volatile int vol_int;
+volatile vol_int volvol_i; /* expected-warning {{duplicate 'volatile' declaration specifier}} */
+typedef volatile vol_int volvol_int; /* expected-warning {{duplicate 'volatile' declaration specifier}} */
+const int * const c;
+
+typedef const int CI;
+
+const CI mine1[5][5]; /* expected-warning {{duplicate 'const' declaration specifier}} */
+
+typedef CI array_of_CI[5];
+const array_of_CI mine2; /* expected-warning {{duplicate 'const' declaration specifier}} */
+
+typedef CI *array_of_pointer_to_CI[5];
+const array_of_pointer_to_CI mine3;
+
+void main() {} /* expected-error {{'main' must return 'int'}} */