https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63370
Bug ID: 63370
Summary: abi::__cxa_demangle fails when demangling globally
defined lambda (or typeid.name returns wrong value)
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: vprimachenko at ya dot ru
Created attachment 33561
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33561&action=edit
sample code which reproduces the bug
a c++11 lambda expression `[]()->void{}` defined in the `main` function gets
`Z4mainEUlvE_` as typeid.name which can be demangled to `main::{lambda()#1}`
using `abi::__cxa_demangle`. However a globally defined lambda gets reported
as just `UlvE_` and the demangle function fails with status code of -2 (error
"mangled_name is not a valid name under the C++ ABI mangling rules.")
