https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67941
Bug ID: 67941
Summary: calls on function pointer from a captureless lambda
cause ubsan warning
Product: gcc
Version: 5.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: blaffablaffa at gmail dot com
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
Target Milestone: ---
Test program: int main(){ (+[](){})(); }
Compilation: -std=c++11 -fsanitize=null
Wrong output: <stdin>:1:20: runtime error: member call on null pointer of type
'const struct __lambda0'
Expected: no warning at all.
Note: if the cast to a function pointer is not performed (remove the +), there
is no warning, probably because the capture is still used, although empty.
