https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70365
Bug ID: 70365
Summary: warn_unused_result doesn't warn when the result is a
class with a destructor
Product: gcc
Version: 5.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jpetri at izotope dot com
Target Milestone: ---
The __attribute__((warn_unused_result)) doesn't warn when the function result
is a class with a destructor.
struct Error {
~Error();
};
__attribute__((warn_unused_result)) Error test();
int main()
{
test();
return 0;
}
Compile as follows:
$ g++ -c test.c
[I get no output, just success.]
System info:
g++ version: g++ (Ubuntu 5.2.1-22ubuntu2) 5.2.1 20151010
Ubuntu 15.10, stock distro g++
Also repros on:
http://gcc.godbolt.org/ GCC 6 snapshot, and GCC 5.3.0
