forked from OSchip/llvm-project
74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
|
|
|
|
void test() {
|
|
int x;
|
|
if (x) ++x;
|
|
if (int x=0) ++x;
|
|
|
|
typedef int arr[10];
|
|
while (arr x={0}) ; // expected-error {{an array type is not allowed here}}
|
|
while (int f()=0) ; // expected-error {{a function type is not allowed here}}
|
|
|
|
struct S {} s;
|
|
if (s) ++x; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
|
|
while (struct S x=s) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
|
|
do ; while (s); // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
|
|
for (;s;) ; // expected-error {{value of type 'struct S' is not contextually convertible to 'bool'}}
|
|
switch (s) {} // expected-error {{statement requires expression of integer type ('struct S' invalid)}}
|
|
|
|
while (struct NewS *x=0) ;
|
|
while (struct S {} *x=0) ; // expected-error {{'S' cannot be defined in a condition}}
|
|
while (struct {} *x=0) ; // expected-error-re {{'(unnamed struct at {{.*}})' cannot be defined in a condition}}
|
|
switch (enum {E} x=0) ; // expected-error-re {{'(unnamed enum at {{.*}})' cannot be defined in a condition}}
|
|
// expected-warning@-1 {{switch statement has empty body}}
|
|
// expected-note@-2 {{put the semicolon on a separate line}}
|
|
|
|
if (int x=0) { // expected-note 2 {{previous definition is here}}
|
|
int x; // expected-error {{redefinition of 'x'}}
|
|
}
|
|
else
|
|
int x; // expected-error {{redefinition of 'x'}}
|
|
while (int x=0) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
while (int x=0) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
for (int x; int x=0; ) ; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
for (int x; ; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
for (; int x=0; ) int x; // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
for (; int x=0; ) { int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
switch (int x=0) { default: int x; } // expected-error {{redefinition of 'x'}} expected-note {{previous definition is here}}
|
|
}
|
|
|
|
int* get_int_ptr();
|
|
|
|
void test2() {
|
|
float *ip;
|
|
if (int *ip = ip) {
|
|
}
|
|
}
|
|
|
|
// Make sure we do function/array decay.
|
|
void test3() {
|
|
if ("help")
|
|
(void) 0;
|
|
|
|
if (test3) // expected-warning {{address of function 'test3' will always evaluate to 'true'}} \
|
|
expected-note {{prefix with the address-of operator to silence this warning}}
|
|
(void) 0;
|
|
}
|
|
|
|
void test4(bool (&x)(void)) {
|
|
while (x);
|
|
}
|
|
|
|
template <class>
|
|
void test5() {
|
|
if (struct S {}* p = 0) // expected-error {{'S' cannot be defined in a condition}}
|
|
;
|
|
}
|
|
void test5_inst() {
|
|
test5<int>();
|
|
}
|
|
|
|
void PR28373() {
|
|
if (!x) {} // expected-error {{undeclared}}
|
|
}
|