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2009-11-18Incremental progress on using declarations. Split UnresolvedUsingDecl intoJohn McCall
two classes, one for typenames and one for values; this seems to have some support from Doug if not necessarily from the extremely-vague-on-this-point standard. Track the location of the 'typename' keyword in a using-typename decl. Make a new lookup result for unresolved values and deal with it in most places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18PR5520: Make sure to check whether the base type is complete before looking forEli Friedman
operator->. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Adjust format attribute index for implicit object arguments. Fixes PR5521.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89113 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Fix PR5531.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89106 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16Repair broken FindCompositePointerType. Correct early termination condition. ↵Sebastian Redl
Get CVR qualifiers from canonical types. Traverse collected qualifiers in reverse order on rebuilding the pointer, so that we don't swap inner and outer qualifiers. That last one fixes PR5509. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88960 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16Fix test on Linux.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15If we find a deallocation function in the class scope, but it is a placement ↵Anders Carlsson
function we should not look for a deallocation function in the global scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15When performing a static downcast as part of a static_cast, make sureDouglas Gregor
that we're dealing with canonical types like the documentation say (yay, CanQualType). Alas, this is another instance where using getQualifiers() on a non-canonical QualType got us in trouble. Good news: with this fix, Clang can now parse all of its own headers! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15Don't gratuitously mark the default constructors of base or member ↵Douglas Gregor
initializers as used git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88847 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15When adding the underlying declaration of a decl to a lookup-resultsDouglas Gregor
set, expand overloaded function declarations. Long-term, this should actually be done by the name-lookup code rather than here, but this part of the code (involving using declarations) is getting a makeover now and the test-case is useful. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15When looking for operator() to type-check a call to an object of classDouglas Gregor
type, use full qualified name lookup rather than the poking the declaration context directly. This makes sure that we see operator()'s in superclasses. Also, move the complete-type check before this name lookup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88842 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Add an internal CreateRecordDecl that will create a CXXRecordDecl when ↵Anders Carlsson
compiling C++ and a RecordDecl otherwise. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88816 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Always build a builtin operator expression for the __extension__ unary operator.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14- Have TryStaticImplicitCast set the cast kind to NoOp when binding a ↵Sebastian Redl
reference. CheckReferenceInit already inserts implicit casts to the necessary types. This fixes an assertion in CodeGen for some casts and brings a fix for PR5453 close, if I understand that bug correctly. - Also, perform calculated implicit cast sequences if they're determined to work. This finally diagnoses static_cast to ambiguous or implicit bases and fixes two long-standing fixmes in the test case. For the C-style cast, this requires propagating the access check suppression pretty deep into other functions. - Pass the expressions for TryStaticCast and TryStaticImplicitCast by reference. This should lead to a better AST being emitted for such casts, and also fixes a memory leak, because CheckReferenceInit and PerformImplicitConversion wrap the node passed to them. These wrappers were previously lost. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88809 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14PR5462: Don't run off the edge of the argument array for vararg handlingEli Friedman
when there are more parameters in the prototype than arguments to the call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88759 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14When type-checking a static cast (or the static_cast part of a C-styleDouglas Gregor
cast) that is converting to a class type, enumerate its constructors as in any other direct initialization. This ensures that we get the proper conversion sequence. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88751 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Fix broken tests, exposed by improved -verify.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88749 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Diagnose ambiguity of operator delete and operator delete[]. Sebastian, ↵Anders Carlsson
please review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88747 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Revert r88718, which does NOT solve the ↵Douglas Gregor
constructor-template-as-copy-constructor issue. Big thanks to John for finding this git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88724 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13A constructor template cannot be instantiated to a copyDouglas Gregor
constructor. Make sure that such declarations can never be formed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88718 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13When performing copy initialization (= "implicit conversion", here) toDouglas Gregor
a class type from itself or a derived class thereof, enumerate constructors and permit user-defined conversions to the arguments of those constructors. This fixes the wacky implicit conversion sequence used in std::auto_ptr's lame emulation of move semantics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88670 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Make test more platform independent (per Sebastian's comment).Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Diagnose illegally typed operator new/new[].Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86755 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09For array pointee type, get its cvr qualifier fromFariborz Jahanian
its element type. Fixes pr5432. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86587 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add additional note to mark the cause of synthesized constructors. MarkEli Friedman
declaration invalid if the constructor can't be properly built. Addresses remaining review comments from Fariborz for r86500. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86579 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Unify the codepaths used to verify base and member initializers for explicitlyEli Friedman
and implicitly defined constructors. This has a number of benefits: 1. Less code. 2. Explicit and implicit constructors get the same diagnostics. 3. The AST explicitly contains constructor calls from implicit default constructors. This allows handing some cases that previously weren't handled correctly in IRGen without any additional code. Specifically, implicit default constructors containing calls to constructors with default arguments are now handled correctly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86500 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-08When checking the namespace of a redeclaration or definition, look through ↵Sebastian Redl
linkage specs. Fixes PR5430. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86461 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-08Eliminate &&s in tests.Daniel Dunbar
- 'for i in $(find . -type f); do sed -e 's#\(RUN:.*[^ ]\) *&& *$#\1#g' $i | FileUpdate $i; done', for the curious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86430 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Add bug number.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Don't treat variables with non-trivial ctors or dtors as unused. Fixes PR5407.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Improve the -Wsign-compare heuristics:John McCall
* If the unsigned type is smaller than the signed type, never warn, because its value will not change when zero-extended to the larger type. * If we're testing for (in)equality, and the unsigned value is an integer constant whose sign bit is not set, never warn, because even though the signed value might change, it can't affect the result of the equality. Also make the comparison test cases much more rigorous, and have them expose the subtle differences between C and C++ here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86242 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Rework the fix-it hint for code likeDouglas Gregor
get_origin->x where get_origin is actually a function and the user has forgotten the parentheses. Instead of giving a lame note for the fix-it, give a full-fledge error, early, then build the call expression to try to recover. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86238 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Improve recovery when we fail to parse the operand of a C++ named cast. ↵Douglas Gregor
Fixes PR5210 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86234 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Turn off -Wsign-compare warnings by defaultDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86233 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06If we have a C-style cast, functional cast, or a static_cast to aDouglas Gregor
class type, don't perform the array-to-pointer or function-to-pointer conversions, because we may end up binding a reference to a function or array. With this change, FileCheck now passes -fsyntax-only! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86211 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06When we encounter a derived-to-base conversion when performing anDouglas Gregor
implicit conversion sequence, check the validity of this conversion and then perform it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86210 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Don't allow definitions of array variables without some size information in ↵Sebastian Redl
C++. Fixed PR5401 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Eliminate some false positives due to a thinko in the "'blah' isDouglas Gregor
always zero in this context" warning logic. Also, make the diagnostic itself more precise when referring to pointer values ("NULL" vs. "zero"). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86143 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05When collecting types for built-in candidates, make arrays decay to ↵Sebastian Redl
pointers. Otherwise, subscripting an array leads to no candidates at all. Fixes PR5360. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86140 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Implement the conditional-operator part of -Wsign-compare. TurnJohn McCall
DiagnoseSignCompare into Sema::CheckSignCompare and call it from more places. Add some enumerator tests. These seem to expose some oddities in the types we're converting C++ enumerators to; in particular, they're converting to unsigned before int, which seems to contradict 4.5 [conv.prom] p2. Note to self: stop baiting Doug in my commit messages. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86128 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Fix 80-col violation.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86115 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Make sure to grab CVR qualifiers from the canonical type. ARGH!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Diagnose using a field to initialize itself. Patch by Brandon Pearcy!John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86061 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Implement support for parsing dependent template-ids that refer toDouglas Gregor
overloaded operators, e.g., p->template operator+<T>() git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85989 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Remove previous patch for pr5296 due to further clarificationFariborz Jahanian
of value-initialization and trivial constructors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85935 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Replace the code that parses member access expressions after "." orDouglas Gregor
"->" with a use of ParseUnqualifiedId. Collapse ActOnMemberReferenceExpr, ActOnDestructorReferenceExpr (both of them), ActOnOverloadedOperatorReferenceExpr, ActOnConversionOperatorReferenceExpr, and ActOnMemberTemplateIdReferenceExpr into a single, new action ActOnMemberAccessExpr that does the same thing more cleanly (and can keep more source-location information). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85930 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Introduce a new class, UnqualifiedId, that provides a parsedDouglas Gregor
representation of a C++ unqualified-id, along with a single parsing function (Parser::ParseUnqualifiedId) that will parse all of the various forms of unqualified-id in C++. Replace the representation of the declarator name in Declarator with the new UnqualifiedId class, simplifying declarator-id parsing considerably and providing more source-location information to Sema. In the future, I hope to migrate all of the other unqualified-id-parsing code over to this single representation, then begin to merge actions that are currently only different because we didn't have a unqualified notion of the name in the parser. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28Diagnose use of data pointer member in a function callFariborz Jahanian
expression instead of crashing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85401 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Generate constructor for value-initialization cases, even if the Fariborz Jahanian
implementation technique doesn't call the constructor at that point. DR302. Fixes pr5296. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85249 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Disabling some MS extensions which cause this test to failJohn Thompson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85242 91177308-0d34-0410-b5e6-96231b3b80d8