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Revert r180263. It's causing failures. 

llvm-svn: 180583
This commit is contained in:
Bill Wendling 2013-04-25 23:15:02 +00:00
parent b6219a9f0e
commit afddaa4719
2 changed files with 6 additions and 18 deletions
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17
clang/lib/AST/Decl.cpp
View File

@ -476,13 +476,6 @@ template <typename T> static bool isInExternCContext(T *D) {
return First->getDeclContext()->isExternCContext();
}
static bool isSingleLineExternC(const Decl &D) {
if (const LinkageSpecDecl *SD = dyn_cast<LinkageSpecDecl>(D.getDeclContext()))
if (SD->getLanguage() == LinkageSpecDecl::lang_c && !SD->hasBraces())
return true;
return false;
}
static LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D,
LVComputationKind computation) {
assert(D->getDeclContext()->getRedeclContext()->isFileContext() &&
@ -511,8 +504,7 @@ static LinkageInfo getLVForNamespaceScopeDecl(const NamedDecl *D,
return PrevVar->getLinkageAndVisibility();
if (Var->getStorageClass() != SC_Extern &&
Var->getStorageClass() != SC_PrivateExtern &&
!isSingleLineExternC(*Var))
Var->getStorageClass() != SC_PrivateExtern)
return LinkageInfo::internal();
}
@ -1588,8 +1580,11 @@ VarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition(
// A declaration directly contained in a linkage-specification is treated
// as if it contains the extern specifier for the purpose of determining
// the linkage of the declared name and whether it is a definition.
if (isSingleLineExternC(*this))
return DeclarationOnly;
const DeclContext *DC = getDeclContext();
if (const LinkageSpecDecl *SD = dyn_cast<LinkageSpecDecl>(DC)) {
if (SD->getLanguage() == LinkageSpecDecl::lang_c && !SD->hasBraces())
return DeclarationOnly;
}
// C99 6.9.2p2:
// A declaration of an object that has file scope without an initializer,

7
clang/test/SemaCXX/undefined-internal.cpp
View File

@ -323,10 +323,3 @@ namespace test13 {
}
}
namespace test14 {
extern "C" const int foo;
int f() {
return foo;
}
}