r226626 - Sema: err_after_alias is unreachable, remove it
David Majnemer
david.majnemer at gmail.com
Tue Jan 20 16:52:17 PST 2015
Author: majnemer
Date: Tue Jan 20 18:52:17 2015
New Revision: 226626
URL: http://llvm.org/viewvc/llvm-project?rev=226626&view=rev
Log:
Sema: err_after_alias is unreachable, remove it
Examples this would have catched are now handled by the attribute
verification code.
Modified:
cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
cfe/trunk/lib/Sema/SemaDecl.cpp
cfe/trunk/test/Sema/alias-redefinition.c
Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=226626&r1=226625&r2=226626&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Tue Jan 20 18:52:17 2015
@@ -3902,8 +3902,6 @@ def warn_missing_variable_declarations :
def err_static_data_member_reinitialization :
Error<"static data member %0 already has an initializer">;
def err_redefinition : Error<"redefinition of %0">;
-def err_alias_after_tentative :
- Error<"alias definition of %0 after tentative definition">;
def err_alias_is_definition :
Error<"definition %0 cannot also be an alias">;
def err_definition_of_implicitly_declared_member : Error<
Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=226626&r1=226625&r2=226626&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Tue Jan 20 18:52:17 2015
@@ -2223,11 +2223,7 @@ static void checkNewAttributesAfterDef(S
S.CheckForFunctionRedefinition(FD, cast<FunctionDecl>(Def));
else {
VarDecl *VD = cast<VarDecl>(New);
- unsigned Diag = cast<VarDecl>(Def)->isThisDeclarationADefinition() ==
- VarDecl::TentativeDefinition
- ? diag::err_alias_after_tentative
- : diag::err_redefinition;
- S.Diag(VD->getLocation(), Diag) << VD->getDeclName();
+ S.Diag(VD->getLocation(), diag::err_redefinition) << VD->getDeclName();
S.Diag(Def->getLocation(), diag::note_previous_definition);
VD->setInvalidDecl();
}
Modified: cfe/trunk/test/Sema/alias-redefinition.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/alias-redefinition.c?rev=226626&r1=226625&r2=226626&view=diff
==============================================================================
--- cfe/trunk/test/Sema/alias-redefinition.c (original)
+++ cfe/trunk/test/Sema/alias-redefinition.c Tue Jan 20 18:52:17 2015
@@ -28,3 +28,7 @@ static int var2 __attribute((alias("v2")
extern int var3 __attribute__((alias("C"))); // expected-note{{previous definition is here}}
int var3 = 3; // expected-error{{redefinition of 'var3'}}
+
+int v4;
+int var4;
+int var4 __attribute((alias("v4"))); // expected-error {{definition 'var4' cannot also be an alias}}
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