rjmccall added inline comments.
================
Comment at: lib/CodeGen/CGBlocks.cpp:1638
+ switch (E.Kind) {
+ case BlockCaptureEntityKind::CXXRecord: {
+ Name += "c";
----------------
I forget whether this case has already filtered out trivial copy-constructors,
but if not, you should consider doing that here.
================
Comment at: lib/CodeGen/CGBlocks.cpp:1647
+ unsigned Qs;
+ cast<CXXConstructExpr>(CE)->getConstructor()->isCopyConstructor(Qs);
+ if (Qs & Qualifiers::Volatile)
----------------
This doesn't always have to be a copy constructor. I mean, maybe this
procedure works anyway, but the constructor used to copy an object isn't always
a copy constructor. Blame constructor templates.
================
Comment at: lib/CodeGen/CGBlocks.cpp:1651
+ }
+ std::string Str = CaptureTy->getAsCXXRecordDecl()->getName();
+ Name += llvm::to_string(Str.size()) + Str;
----------------
The name of a C++ class is not unique; you need to use the mangler. Ideally,
you would find a way to mangle all the C++ types in the context of the same
mangler instance so that substitutions could be reused across it.
You also need to check for a type with non-external linkage and make this
helper private if you find one. (You can still unique within the translation
unit, for what it's worth.)
Repository:
rC Clang
https://reviews.llvm.org/D50152
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