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Fix a crash-on-invalid when parsing a reference to an invalid auto declaration 

auto x((unknown));
  int& y = x;

would crash because we were not flagging 'x' as an invalid declaration here.

llvm-svn: 165675
This commit is contained in:
David Blaikie 2012-10-10 23:15:05 +00:00
parent 27678b0961
commit eae04111d0
3 changed files with 7 additions and 2 deletions
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1
clang/lib/Parse/ParseDecl.cpp
View File

@ -1680,6 +1680,7 @@ Decl *Parser::ParseDeclarationAfterDeclaratorAndAttributes(Declarator &D,
} }
if (ParseExpressionList(Exprs, CommaLocs)) { if (ParseExpressionList(Exprs, CommaLocs)) {
Actions.ActOnInitializerError(ThisDecl);
SkipUntil(tok::r_paren); SkipUntil(tok::r_paren);
if (getLangOpts().CPlusPlus && D.getCXXScopeSpec().isSet()) { if (getLangOpts().CPlusPlus && D.getCXXScopeSpec().isSet()) {

3
clang/test/CXX/dcl.dcl/dcl.spec/dcl.type/dcl.spec.auto/p3.cpp
View File

@ -86,3 +86,6 @@ namespace PR13293 {
template void h<double>(); template void h<double>();
} }
#endif #endif
auto fail((unknown)); // expected-error{{use of undeclared identifier 'unknown'}}
int& crash = fail;

5
clang/test/SemaCXX/warn-unused-variables.cpp
View File

@ -42,10 +42,11 @@ void test_dependent_init(T *p) {
} }
namespace PR6948 { namespace PR6948 {
template<typename T> class X; template<typename T> class X; // expected-note{{template is declared here}}
void f() { void f() {
X<char> str (read_from_file()); // expected-error{{use of undeclared identifier 'read_from_file'}} X<char> str (read_from_file()); // expected-error{{use of undeclared identifier 'read_from_file'}} \
expected-error{{implicit instantiation of undefined template 'PR6948::X<char>'}}
} }
} }