https://llvm.org/bugs/show_bug.cgi?id=25898
Bug ID: 25898
Summary: Exceptions of type pointer to member whose class type
is incomplete are not correctly handled
Product: libc++abi
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedb...@nondot.org
Reporter: david.majne...@gmail.com
CC: llvm-bugs@lists.llvm.org, mclow.li...@gmail.com
Classification: Unclassified
consider:
#include <stdio.h>
struct S;
void f();
#ifndef DEF_S
void f() { throw (int S::*)nullptr; }
#else
struct S {};
int main() {
try {
f();
} catch (int S::*) {
printf("caught it!\n");
}
}
#endif
run with:
~/llvm/Debug+Asserts/bin/clang++ -c -stdlib=libc++ -std=c++11 d.cpp -o a.o
~/llvm/Debug+Asserts/bin/clang++ -c -stdlib=libc++ -DDEF_S d.cpp -o b.o
-std=c++11
~/llvm/Debug+Asserts/bin/clang++ a.o b.o -o t -stdlib=libc++
ISTM that libc++abi isn't comparing the NTBS when __incomplete_class_mask is
set in the __pointer_to_member_type_info.
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