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Support GNU attributes in alias-declarations now that GCC has implemented them 

and we know where they go.

llvm-svn: 193297
This commit is contained in:
Richard Smith 2013-10-24 01:21:09 +00:00
parent 58d0d36006
commit 37a45ddfbd
2 changed files with 12 additions and 4 deletions
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7
clang/lib/Parse/ParseDeclCXX.cpp
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@ -508,6 +508,7 @@ Decl *Parser::ParseUsingDeclaration(unsigned Context,
}
ParsedAttributesWithRange Attrs(AttrFactory);
MaybeParseGNUAttributes(Attrs);
MaybeParseCXX11Attributes(Attrs);
// Maybe this is an alias-declaration.
@ -525,7 +526,6 @@ Decl *Parser::ParseUsingDeclaration(unsigned Context,
Attrs.takeAllFrom(MisplacedAttrs);
}
// TODO: Can GNU attributes appear here?
ConsumeToken();
Diag(Tok.getLocation(), getLangOpts().CPlusPlus11 ?
@ -1159,8 +1159,7 @@ void Parser::ParseClassSpecifier(tok::TokenKind TagTokKind,
ParsedAttributesWithRange attrs(AttrFactory);
// If attributes exist after tag, parse them.
if (Tok.is(tok::kw___attribute))
ParseGNUAttributes(attrs);
MaybeParseGNUAttributes(attrs);
// If declspecs exist after tag, parse them.
while (Tok.is(tok::kw___declspec))
@ -1170,7 +1169,7 @@ void Parser::ParseClassSpecifier(tok::TokenKind TagTokKind,
if (Tok.is(tok::kw___single_inheritance) ||
Tok.is(tok::kw___multiple_inheritance) ||
Tok.is(tok::kw___virtual_inheritance))
ParseMicrosoftInheritanceClassAttributes(attrs);
ParseMicrosoftInheritanceClassAttributes(attrs);
// If C++0x attributes exist here, parse them.
// FIXME: Are we consistent with the ordering of parsing of different

9
clang/test/Parser/cxx0x-decl.cpp
View File

@ -95,3 +95,12 @@ namespace FinalOverride {
virtual auto i() -> void *override final;
};
}
namespace UsingDeclAttrs {
using T __attribute__((aligned(1))) = int;
using T [[gnu::aligned(1)]] = int;
static_assert(alignof(T) == 1, "");
using [[gnu::aligned(1)]] T = int; // expected-error {{an attribute list cannot appear here}}
using T = int [[gnu::aligned(1)]]; // expected-error {{'aligned' attribute cannot be applied to types}}
}