| 1 | // RUN: %clang_cc1 -Weverything -xc++ -std=c++11 -DCXX11 -verify %s |
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| 2 | // RUN: %clang_cc1 -Weverything -xc++ -std=c++03 -DCXX03 -verify %s |
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| 3 | // RUN: %clang_cc1 -Weverything -xobjective-c -DOBJC -verify %s |
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| 4 | // RUN: %clang_cc1 -Weverything -std=c11 -xc -DC11 -verify %s |
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| 5 | // RUN: %clang_cc1 -pedantic -std=c11 -xc -DC11 -verify %s |
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| 6 | // RUN: %clang_cc1 -Weverything -std=c11 -xc -fms-extensions -DMS -verify %s |
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| 7 | |
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| 8 | enum X : int {e}; |
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| 9 | #if defined(CXX11) |
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| 10 | // expected-warning@-2{{enumeration types with a fixed underlying type are incompatible with C++98}} |
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| 11 | #elif defined(CXX03) |
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| 12 | // expected-warning@-4{{enumeration types with a fixed underlying type are a C++11 extension}} |
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| 13 | #elif defined(OBJC) |
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| 14 | // No diagnostic |
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| 15 | #elif defined(C11) |
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| 16 | // expected-warning@-8{{enumeration types with a fixed underlying type are a Clang extension}} |
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| 17 | #elif defined(MS) |
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| 18 | // expected-warning@-10{{enumeration types with a fixed underlying type are a Microsoft extension}} |
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| 19 | #endif |
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| 20 | |
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| 21 | // Don't warn about the forward declaration in any language mode. |
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| 22 | enum Fwd : int; |
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| 23 | enum Fwd : int { e2 }; |
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| 24 | #ifndef OBJC |
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| 25 | // expected-warning@-3 {{enumeration types with a fixed underlying type}} |
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| 26 | // expected-warning@-3 {{enumeration types with a fixed underlying type}} |
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| 27 | #endif |
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| 28 | |
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| 29 | // Always error on the incompatible redeclaration. |
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| 30 | enum BadFwd : int; |
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| 31 | #ifndef OBJC |
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| 32 | // expected-warning@-2 {{enumeration types with a fixed underlying type}} |
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| 33 | #endif |
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| 34 | // expected-note@-4 {{previous declaration is here}} |
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| 35 | enum BadFwd : char { e3 }; |
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| 36 | #ifndef OBJC |
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| 37 | // expected-warning@-2 {{enumeration types with a fixed underlying type}} |
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| 38 | #endif |
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| 39 | // expected-error@-4 {{enumeration redeclared with different underlying type 'char' (was 'int')}} |
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| 40 | |
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