78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s -fblocks
|
|
|
|
void test_gotos() {
|
|
goto L1; // expected-error {{use of undeclared label 'L1'}}
|
|
goto L3; // OK
|
|
#pragma clang __debug captured
|
|
{
|
|
L1:
|
|
goto L2; // OK
|
|
L2:
|
|
goto L3; // expected-error {{use of undeclared label 'L3'}}
|
|
}
|
|
L3: ;
|
|
}
|
|
|
|
void test_break_continue() {
|
|
while (1) {
|
|
#pragma clang __debug captured
|
|
{
|
|
break; // expected-error {{'break' statement not in loop or switch statement}}
|
|
continue; // expected-error {{'continue' statement not in loop statement}}
|
|
}
|
|
}
|
|
}
|
|
|
|
void test_return() {
|
|
while (1) {
|
|
#pragma clang __debug captured
|
|
{
|
|
return; // expected-error {{cannot return from default captured statement}}
|
|
}
|
|
}
|
|
}
|
|
|
|
void test_nest() {
|
|
int x;
|
|
#pragma clang __debug captured
|
|
{
|
|
int y;
|
|
#pragma clang __debug captured
|
|
{
|
|
int z;
|
|
#pragma clang __debug captured
|
|
{
|
|
x = z = y; // OK
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void test_nest_block() {
|
|
__block int x; // expected-note {{'x' declared here}}
|
|
int y;
|
|
^{
|
|
int z;
|
|
#pragma clang __debug captured
|
|
{
|
|
x = y; // expected-error{{__block variable 'x' cannot be captured in a captured statement}}
|
|
y = z; // expected-error{{variable is not assignable (missing __block type specifier)}}
|
|
z = y; // OK
|
|
}
|
|
}();
|
|
|
|
__block int a; // expected-note 2 {{'a' declared here}}
|
|
int b;
|
|
#pragma clang __debug captured
|
|
{
|
|
__block int c;
|
|
int d;
|
|
^{
|
|
a = b; // expected-error{{__block variable 'a' cannot be captured in a captured statement}}
|
|
b = d; // OK - Consistent with block inside a lambda
|
|
c = a; // expected-error{{__block variable 'a' cannot be captured in a captured statement}}
|
|
c = d; // OK
|
|
d = b; // expected-error{{variable is not assignable (missing __block type specifier)}}
|
|
}();
|
|
}
|
|
}
|