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EXTWARNify the warning about unnamed typedefs of enums

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llvm-svn: 62766
This commit is contained in:
Douglas Gregor
2009-01-22 16:23:54 +00:00
parent e3a26635fb
commit 2d9dde0e0f
2 changed files with 4 additions and 3 deletions
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2
clang/include/clang/Basic/DiagnosticKinds.def
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@@ -606,7 +606,7 @@ DIAG(err_expected_unqualified_id, ERROR,
"expected unqualified-id")
DIAG(err_no_declarators, ERROR,
"declaration does not declare anything")
DIAG(warn_no_declarators, WARNING,
DIAG(ext_typedef_without_a_name, EXTWARN,
"typedef requires a name")
DIAG(err_func_def_no_params, ERROR,
"function definition does not declare parameters")

5
clang/lib/Sema/SemaDecl.cpp
View File

@@ -736,11 +736,12 @@ Sema::DeclTy *Sema::ParsedFreeStandingDeclSpec(Scope *S, DeclSpec &DS) {
return Tag;
}
// Permit typedefs without declarators as a Microsoft extension.
if (!DS.isMissingDeclaratorOk()) {
// Warn about typedefs of enums without names, since this is an
// extension in both Microsoft an GNU.
if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef &&
Tag && isa<EnumDecl>(Tag)) {
Diag(DS.getSourceRange().getBegin(), diag::warn_no_declarators)
Diag(DS.getSourceRange().getBegin(), diag::ext_typedef_without_a_name)
<< DS.getSourceRange();
return Tag;
}