|  | /* RUN: %clang_cc1 -E %s -x c++ | grep block_1
 | 
						
						
						
							|  |    RUN: %clang_cc1 -E %s -x c++ | not grep block_2
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							|  |    RUN: %clang_cc1 -E %s -x c | not grep block
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							|  |    RUN: %clang_cc1 -E %s -x c++ -verify -Wundef
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							|  | */
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							|  | // expected-no-diagnostics
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							|  | 
 | 
						
						
						
							|  | #if true
 | 
						
						
						
							|  | block_1
 | 
						
						
						
							|  | #endif
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							|  | 
 | 
						
						
						
							|  | #if false
 | 
						
						
						
							|  | block_2
 | 
						
						
						
							|  | #endif
 | 
						
						
						
							|  | 
 |