From ab44ce3d598882e51a25eb82eb7ae6308de85ae6 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 29 May 2017 16:25:25 +0000 Subject: Vendor import of llvm trunk r304149: https://llvm.org/svn/llvm-project/llvm/trunk@304149 --- lib/Support/ConvertUTF.cpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'lib/Support/ConvertUTF.cpp') diff --git a/lib/Support/ConvertUTF.cpp b/lib/Support/ConvertUTF.cpp index 39fd218d3f07..aa9507c189ed 100644 --- a/lib/Support/ConvertUTF.cpp +++ b/lib/Support/ConvertUTF.cpp @@ -53,6 +53,35 @@ #endif #include + +/* + * This code extensively uses fall-through switches. + * Keep the compiler from warning about that. + */ +#if defined(__clang__) && defined(__has_warning) +# if __has_warning("-Wimplicit-fallthrough") +# define ConvertUTF_DISABLE_WARNINGS \ + _Pragma("clang diagnostic push") \ + _Pragma("clang diagnostic ignored \"-Wimplicit-fallthrough\"") +# define ConvertUTF_RESTORE_WARNINGS \ + _Pragma("clang diagnostic pop") +# endif +#elif defined(__GNUC__) && __GNUC__ > 6 +# define ConvertUTF_DISABLE_WARNINGS \ + _Pragma("GCC diagnostic push") \ + _Pragma("GCC diagnostic ignored \"-Wimplicit-fallthrough\"") +# define ConvertUTF_RESTORE_WARNINGS \ + _Pragma("GCC diagnostic pop") +#endif +#ifndef ConvertUTF_DISABLE_WARNINGS +# define ConvertUTF_DISABLE_WARNINGS +#endif +#ifndef ConvertUTF_RESTORE_WARNINGS +# define ConvertUTF_RESTORE_WARNINGS +#endif + +ConvertUTF_DISABLE_WARNINGS + namespace llvm { static const int halfShift = 10; /* used for shifting by 10 bits */ @@ -708,3 +737,5 @@ ConversionResult ConvertUTF8toUTF32(const UTF8 **sourceStart, --------------------------------------------------------------------- */ } // namespace llvm + +ConvertUTF_RESTORE_WARNINGS -- cgit v1.2.3