https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96077
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Last reconfirmed| |2020-07-06 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- It's not ideal to provide a testcase that doesn't compile for an accepts-invalid bug. A testcase that actually compiles is a better demonstration that the invalid code is accepted, e.g. int main () { enum { a = ( 1 ) ? ( 2 ) : ( 2 + 1 /* missing ")" here */ } l_e; //accept } Every version from 4.0 onwards behaves the same (I didn't test anything older).