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| author | Erik Pilkington <erik.pilkington@gmail.com> | 2019-08-12 18:31:27 +0000 |
|---|---|---|
| committer | Erik Pilkington <erik.pilkington@gmail.com> | 2019-08-12 18:31:27 +0000 |
| commit | 0a223d981e6d57a051c77a65cdee9f7024e1bc35 (patch) | |
| tree | f837ce87f925bc9a43774ba8126428b262a1af57 /clang/lib/Sema/SemaCast.cpp | |
| parent | 1308011e1b5c5382281a63dd4191a1784f8d2295 (diff) | |
| download | llvm-0a223d981e6d57a051c77a65cdee9f7024e1bc35.zip llvm-0a223d981e6d57a051c77a65cdee9f7024e1bc35.tar.gz llvm-0a223d981e6d57a051c77a65cdee9f7024e1bc35.tar.bz2 | |
[Sema] Require a complete type for __builtin_bit_cast operands
Fixes llvm.org/PR42936
llvm-svn: 368600
Diffstat (limited to 'clang/lib/Sema/SemaCast.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaCast.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Sema/SemaCast.cpp b/clang/lib/Sema/SemaCast.cpp index f184eda..7a1d52ad 100644 --- a/clang/lib/Sema/SemaCast.cpp +++ b/clang/lib/Sema/SemaCast.cpp @@ -2803,6 +2803,14 @@ void CastOperation::CheckBuiltinBitCast() { SrcExpr = Self.CreateMaterializeTemporaryExpr(SrcType, SrcExpr.get(), /*IsLValueReference=*/false); + if (Self.RequireCompleteType(OpRange.getBegin(), DestType, + diag::err_typecheck_cast_to_incomplete) || + Self.RequireCompleteType(OpRange.getBegin(), SrcType, + diag::err_incomplete_type)) { + SrcExpr = ExprError(); + return; + } + CharUnits DestSize = Self.Context.getTypeSizeInChars(DestType); CharUnits SourceSize = Self.Context.getTypeSizeInChars(SrcType); if (DestSize != SourceSize) { |