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