ddcc created this revision. ddcc added reviewers: aaron.ballman, iana. Herald added a project: All. ddcc requested review of this revision. Herald added a project: clang.
Undefined macros evaluate to zero, so when checking for a smaller value, we need to include the case when the macro is undefined. Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D131213 Files: clang/lib/Headers/stdbool.h Index: clang/lib/Headers/stdbool.h =================================================================== --- clang/lib/Headers/stdbool.h +++ clang/lib/Headers/stdbool.h @@ -23,7 +23,7 @@ #elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* Define _Bool as a GNU extension. */ #define _Bool bool -#if defined(__cplusplus) && __cplusplus < 201103L +#if !defined(__cplusplus) || __cplusplus < 201103L /* For C++98, define bool, false, true as a GNU extension. */ #define bool bool #define false false
Index: clang/lib/Headers/stdbool.h =================================================================== --- clang/lib/Headers/stdbool.h +++ clang/lib/Headers/stdbool.h @@ -23,7 +23,7 @@ #elif defined(__GNUC__) && !defined(__STRICT_ANSI__) /* Define _Bool as a GNU extension. */ #define _Bool bool -#if defined(__cplusplus) && __cplusplus < 201103L +#if !defined(__cplusplus) || __cplusplus < 201103L /* For C++98, define bool, false, true as a GNU extension. */ #define bool bool #define false false
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