19a9de06cd
Fixes https://github.com/llvm/llvm-project/issues/114402. This patch accept empty enum in C as a microsoft extension and introduce an new warning `-Wmicrosoft-empty-enum`. --------- Signed-off-by: yicuixi <qin_17914@126.com> Co-authored-by: Erich Keane <ekeane@nvidia.com> Co-authored-by: Aaron Ballman <aaron@aaronballman.com>
7 lines
505 B
C
7 lines
505 B
C
// RUN: %clang_cc1 %s -fsyntax-only -Wmicrosoft -verify -fms-extensions
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typedef enum tag1 { } A; // expected-warning {{empty enumeration types are a Microsoft extension}}
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typedef enum tag2 { } B; // expected-warning {{empty enumeration types are a Microsoft extension}}
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typedef enum : unsigned { } C; // expected-warning {{enumeration types with a fixed underlying type are a Microsoft extension}}\
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// expected-warning {{empty enumeration types are a Microsoft extension}}
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