https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99137
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Tobias Burnus <bur...@gcc.gnu.org>: https://gcc.gnu.org/g:47a0284fe7d4c996cc054c13e196ee3983025fb3 commit r9-9270-g47a0284fe7d4c996cc054c13e196ee3983025fb3 Author: Tobias Burnus <tob...@codesourcery.com> Date: Fri Mar 5 11:41:44 2021 +0100 OpenACC: C/C++ - fix async parsing [PR99137] gcc/c/ChangeLog: PR c/99137 * c-parser.c (c_parser_oacc_clause_async): Reject comma expressions. gcc/cp/ChangeLog: PR c/99137 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions. gcc/testsuite/ChangeLog: PR c/99137 * c-c++-common/goacc/asyncwait-1.c: Update dg-error; add additional test. (cherry picked from commit 6ddedd3efa3fe482f76a4037521a06b3ac9f2a8b)