minix/external/bsd/llvm/dist/clang/test/Sema/captured-statements.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

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)}}
}();
}
}