On Tue, Sep 16, 2014 at 11:45 AM, John McCall <[email protected]> wrote:
> On Sep 15, 2014, at 9:47 AM, Ben Langmuir <[email protected]> wrote: > > Hi John, > > > > This patch fixes the assertion failure I talked to you about in > Objective C++ codegen. It turned out to have nothing to do with templates. > > > > Fix an assertion failure trying to emit a trivial destructor in ObjC++ > > > > If a base class declares a destructor, we will add the implicit > > destructor for the subclass in > > ActOnFields -> AddImplicitlyDeclaredMembersToClass > > > > But in Objective C++, we did not compute whether we have a trivial > > destructor until after that in > > CXXRecordDecl::completeDefinition() > > > > This was leading to a mismatch between the class, which thought it had > > no trivial destructor, and the CXXDestructorDecl, which considered > > itself trivial. > > I feel like hasTrivialDestructor should return the right value here. I > understand (and am saddened by) the hack about not setting PlainOldData > until completeDefinition, but maybe we can set/clear the rest of the bits > eagerly? Why do we have to delay setting the PlainOldData flag?
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