72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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void test() {
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int x;
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if (x) ++x;
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if (int x=0) ++x;
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typedef int arr[10];
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while (arr x={0}) ; // expected-error {{an array type is not allowed here}}
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while (int f()=0) ; // expected-error {{a function type is not allowed here}}
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struct S {} s;
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if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
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while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
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do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
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for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
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switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}}
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while (struct NewS *x=0) ;
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while (struct S {} *x=0) ; // expected-error {{'S' cannot be defined in a condition}}
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while (struct {} *x=0) ; // expected-error-re {{'(anonymous struct at {{.*}})' cannot be defined in a condition}}
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switch (enum {E} x=0) ; // expected-error-re {{'(anonymous enum at {{.*}})' cannot be defined in a condition}}
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if (int x=0) { // expected-note 2 {{previous definition is here}}
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int x; // expected-error {{redefinition of 'x'}}
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}
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else
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int x; // expected-error {{redefinition of 'x'}}
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while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
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}
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int* get_int_ptr();
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void test2() {
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float *ip;
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if (int *ip = ip) {
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}
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}
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// Make sure we do function/array decay.
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void test3() {
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if ("help")
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(void) 0;
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if (test3) // expected-warning {{address of function 'test3' will always evaluate to 'true'}} \
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expected-note {{prefix with the address-of operator to silence this warning}}
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(void) 0;
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}
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void test4(bool (&x)(void)) {
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while (x);
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}
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template <class>
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void test5() {
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if (struct S {}* p = 0) // expected-error {{'S' cannot be defined in a condition}}
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;
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}
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void test5_inst() {
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test5<int>();
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}
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void PR28373() {
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if (!x) {} // expected-error {{undeclared}}
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}
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