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2013-03-20<rdar://problem/12368093> Extend module maps with a 'conflict' declaration, ↵Douglas Gregor
and warn when a newly-imported module conflicts with an already-imported module. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177577 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20PR7256: Provide a fixit for incorrect destructor declarationsDavid Blaikie
Fix by Ismail Pazarbasi (ismail.pazarbasi@gmail.com), review by Dmitri Gribenko. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177546 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Remove some dead code.John McCall
Patch by Stephen Lin! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177490 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-20Don't look outside the innermost enclosing namespace whenJohn McCall
performing unqualified lookup for a friend class declaration. rdar://13393749 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177473 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-19Add a clarifying note when a return statement is rejected becauseJohn McCall
we expect a related result type. rdar://12493140 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177378 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-18Diagnose uses of 'alignof' on functions in -pedantic mode.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177354 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-18Add missing diagnostic for a nested-name-specifier on a free-standing type ↵Richard Smith
definition. Bump some related diagnostics from warning to extension in C++, since they're errors there. Add some missing checks for function specifiers on non-function declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177335 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-18Bring inheriting constructor implementation up-to-date with current defectRichard Smith
reports, and implement implicit definition of inheriting constructors. Remaining missing features: inheriting constructor templates, implicit exception specifications for inheriting constructors, inheriting constructors from dependent bases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-16Remove -Wspellcheck and replace it with a diagnostic option.Argyrios Kyrtzidis
Thanks to Richard S. for pointing out that the warning would show up with -Weverything. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177218 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15Simplify print logic, per feedback from Jordan Rose.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177193 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15Enhance -Wtautological-constant-out-of-range-compare to include the name of ↵Ted Kremenek
the enum constant. This is QoI. Fixes <rdar://problem/13076064>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177190 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15Add some assertions to appease the static analyzer.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177185 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15c: perform integer overflow check on all binaryFariborz Jahanian
operations. // rdar://13423975 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177181 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15c: Also chek for integer overflow for '%' operator.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177163 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-15c: add the missing binary operatory when checkingFariborz Jahanian
for integer overflow. // rdar://13423975 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177162 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Diagnose about extern "C" functions returning c++ objectsFariborz Jahanian
on first declaration only. // rdar://13364028 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177127 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Don't try to typo-correct 'super' in an objc method.Argyrios Kyrtzidis
This created 2 issues: 1) Performance issue, since typo-correction with PCH/modules is rather expensive. 2) Correctness issue, since if it managed to "correct" 'super' then bogus compiler errors would be emitted, like this: 3.m:8:3: error: unknown type name 'super'; did you mean 'super1'? super.x = 0; ^~~~~ super1 t3.m:5:13: note: 'super1' declared here typedef int super1; ^ t3.m:8:8: error: expected identifier or '(' super.x = 0; ^ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177126 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Add support for the 'endian' attribute for OpenCL.Joey Gouly
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177035 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14[modules] Check for delegating constructor cycles when building a module and ↵Argyrios Kyrtzidis
don't write them out to the module file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177000 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-14Avoid computing the linkage too early. Don't invalidate it.Rafael Espindola
Before this patch we would compute the linkage lazily and cache it. When the AST was modified in ways that could change the value, we would invalidate the cache. That was fairly brittle, since any code could ask for the a linkage before the correct value was available. We should change the API to one where the linkage is computed explicitly and trying to get it when it is not available asserts. This patch is a first step in that direction. We still compute the linkage lazily, but instead of invalidating a cache, we assert that the AST modifications didn't change the result. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176999 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Objective-C: In my last path, also checkFariborz Jahanian
for existence of user setter before issuing the warning about non-synthesizable property. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Whitespace cleanup.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176896 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Objective-C: Issue warning in couple of obscure casesFariborz Jahanian
when property autosynthesis does not synthesize a property. When property is declared 'readonly' in a super class and is redeclared 'readwrite' in a subclass. When a property autosynthesis causes it to share 'ivar' with another property. // rdar://13388503 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176889 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12We already reported an error forRafael Espindola
extern "C" { void test5_f() { extern int test5_b; } } static float test5_b; This patch makes us report one for extern "C" { void test6_f() { extern int test6_b; } } extern "C" { static float test6_b; } Not because we think the declaration would be extern C, but because of the rule: An entity with C language linkage shall not be declared with the same name as an entity in global scope... We were just not looking past the extern "C" to see if the decl was in global scope. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176875 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12Error if an extern C declaration matches a previous hidden extern C declaration.Rafael Espindola
Without this patch we produce an error for extern "C" { void f() { extern int b; } } extern "C" { extern float b; } but not for extern "C" { void f() { extern int b; } } extern "C" { float b; } git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176867 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-11Objective-C: When using super.prop, property should beFariborz Jahanian
looked up the current class's super class. // rdar://13349296 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Adjust the special non-C++ enum block return type inferenceJohn McCall
so that it looks through certain syntactic forms and applies even if normal inference would have succeeded. There is potential for source incompatibility from this change, but overall we feel that it produces a much cleaner and more defensible result, and the block compatibility rules should curb a lot of the potential for annoyance. rdar://13200889 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176743 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-09Add TagDecl::hasNameForLinkage(), which is true if the tagJohn McCall
is non-anonymous or is defined in a typedef of itself. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176742 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13170740> Be a little more careful when instantiating 'this' ↵Douglas Gregor
expressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176731 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Sema: Preserve attributes on parameters in instantiated function templates.Jordan Rose
This was causing correctness issues for ARC and the static analyzer when a function template has "consumed" Objective-C object parameters (i.e. parameters that will be released by the function before returning). The fix is threefold: (1) Actually copy over the attributes from old ParmVarDecls to new ones. (2) Have Sema::BuildFunctionType only work for building FunctionProtoTypes, which it was doing anyway. This allows us to pass an ExtProtoInfo instead of a plain ExtInfo and several flags. (3) Drop param attributes as part of StripImplicitInstantiation, which is used when an implicit instantiation is followed by an explicit one. <rdar://problem/12685622> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176728 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13094134> Don't try to wire up typedef names for invalid ↵Douglas Gregor
anonymous tag declarations encountered during template instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176727 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08ArrayRef-ize ASTContext::getFunctionType and Sema::BuildFunctionType.Jordan Rose
No (intended) functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176726 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08<rdar://problem/13140795> Transform the scope type of a pseudo-destructor ↵Douglas Gregor
expression within the object scope. We were transforming the scope type of a pseudo-destructor expression (e.g., the first T in x->T::~T()) as a freestanding type, which meant that dependent template specialization types here would stay dependent even when no template parameters were named. This would eventually mean that a dependent expression would end up in what should be fully-instantiated ASTs, causing IRgen to assert. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176723 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08Add support for the OpenCL attribute 'vec_type_hint'.Joey Gouly
Patch by Murat Bolat! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176686 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add code completion for @import <rdar://problem/13344306>.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176666 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Improve LLDB's implicit cast-to-id to work with C++11 auto and any ↵Douglas Gregor
Objective-C object type <rdar://problem/13338107>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176665 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07When possible, move __block variables to the heap rather than copying them.Douglas Gregor
Fixes <rdar://problem/13330126>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176663 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-07Add a hasExternalLinkage helper. No functionality change.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176607 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06PR15390: If a function returns a pointer to a function, that function typeRichard Smith
can't have default arguments even though it's a parameter-declaration-clause in a function declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176542 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06objective-C: don't crash after diagnosingFariborz Jahanian
using object subscripting without declaring objectForKeyedSubscript: // rdar://13333205 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176539 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05Silence a number of static analyzer warnings with assertions and such.Jordan Rose
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176469 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-04Centralize and refine the __unknown_anytype argument rulesJohn McCall
and be sure to apply them whether or not the debugger gave us a method declaration. rdar://12565338 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176432 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-04Perform non-overload placeholder conversions on the operandsJohn McCall
to a subscript operator. rdar://13332183 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176428 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-02Process #pragma weak only after we know the linkage of the function or variableRafael Espindola
we are looking at. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176414 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Fix typos: [Dd]iagnosic -> [Dd]iagnosticStefanus Du Toit
These all appear in comments or (ironically) diagnostics output. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176383 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Perform the receiver-expression transformations regardless ofJohn McCall
whether we already have a method. Fixes a bug where we were failing to properly contextually convert a message receiver during template instantiation. As a side-effect, we now actually perform correct method lookup after adjusting a message-send to integral or non-ObjC pointer types (legal outside of ARC). rdar://13305374 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176339 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Attempt to not place ownership qualifiers on the result typeJohn McCall
of block declarators. Document the rule we use. Also document the rule that Doug implemented a few weeks ago which drops ownership qualifiers on function result types. rdar://10127067 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176336 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28objective-C code completion. Property accessors may notFariborz Jahanian
have their own code completion comments. Use those in their properties in this case. // rdar://12791315 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27PR15360: nullptr as a non-type template argument to a function type non-type ↵David Blaikie
template parameter git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176216 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Don't crash when diagnosing path-constrained protectedJohn McCall
access to a private member to which we have special access. rdar://12926092 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176146 91177308-0d34-0410-b5e6-96231b3b80d8
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