forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			40 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -Weverything -xc++ -std=c++11 -DCXX11 -verify %s
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| // RUN: %clang_cc1 -Weverything -xc++ -std=c++03 -DCXX03 -verify %s
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| // RUN: %clang_cc1 -Weverything -xobjective-c -DOBJC -verify %s
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| // RUN: %clang_cc1 -Weverything -std=c11 -xc -DC11 -verify %s
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| // RUN: %clang_cc1 -pedantic    -std=c11 -xc -DC11 -verify %s
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| // RUN: %clang_cc1 -Weverything -std=c11 -xc -fms-extensions -DMS -verify %s
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| 
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| enum X : int {e};
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| #if defined(CXX11)
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| // expected-warning@-2{{enumeration types with a fixed underlying type are incompatible with C++98}}
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| #elif defined(CXX03)
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| // expected-warning@-4{{enumeration types with a fixed underlying type are a C++11 extension}}
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| #elif defined(OBJC)
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| // No diagnostic
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| #elif defined(C11)
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| // expected-warning@-8{{enumeration types with a fixed underlying type are a Clang extension}}
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| #elif defined(MS)
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| // expected-warning@-10{{enumeration types with a fixed underlying type are a Microsoft extension}}
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| #endif
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| 
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| // Don't warn about the forward declaration in any language mode.
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| enum Fwd : int;
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| enum Fwd : int { e2 };
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| #ifndef OBJC
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| // expected-warning@-3 {{enumeration types with a fixed underlying type}}
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| // expected-warning@-3 {{enumeration types with a fixed underlying type}}
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| #endif
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| 
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| // Always error on the incompatible redeclaration.
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| enum BadFwd : int;
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| #ifndef OBJC
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| // expected-warning@-2 {{enumeration types with a fixed underlying type}}
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| #endif
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| // expected-note@-4 {{previous declaration is here}}
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| enum BadFwd : char { e3 };
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| #ifndef OBJC
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| // expected-warning@-2 {{enumeration types with a fixed underlying type}}
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| #endif
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| // expected-error@-4 {{enumeration redeclared with different underlying type 'char' (was 'int')}}
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