https://bugs.llvm.org/show_bug.cgi?id=33223
Bug ID: 33223
Summary: cxa_demangle failes for inherited constructors
Product: libc++abi
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: All Bugs
Assignee: unassignedb...@nondot.org
Reporter: tbergham...@google.com
CC: llvm-bugs@lists.llvm.org, mclow.li...@gmail.com
libc++abi fails to demangle the mangled name generated by clang for an
inherited constructor.
Example name where cxa_demangle fails: _ZN5bbbbbCI25aaaaaEi
Source code for generating the mangled name:
class aaaaa {
public:
aaaaa(int);
};
class bbbbb : aaaaa {
using aaaaa::aaaaa;
};
void ccccc() { bbbbb(1); }
Clang version used to generate the name:
clang version 5.0.0 (trunk 303332) (llvm/trunk 303340)
Target: x86_64-unknown-linux-gnu
Thread model: posix
Additional context:
https://bugs.llvm.org/show_bug.cgi?id=33177
http://sourcerytools.com/pipermail/cxx-abi-dev/2016-May/002918.html
Open question: What should be the output of __cxa_demangle when demangling an
inherited constructor? What do people think about "bbbbb::bbbbb(int)" (hides
that it is an inherited constructor) or "bbbbb::aaaaa(int)" (hides that it is a
constructor) for the above case?
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