PR preprocessor/27746
* directives.c (do_pragma): Handle pragma with valid namespace
and invalid name coming from macro expansion.
* directives.c (destringize_and_run): Initialize next field in
context.
PR c/27747
PR c++/27748
* directives.c (destringize_and_run): Set NO_EXPAND on the
tokens.
* macro.c (_cpp_backup_tokens): Fix comment typo.
testsuite/
PR c/27747
* gcc.dg/cpp/_Pragma6.c: New test.
PR c++/27748
* g++.dg/cpp/_Pragma1.C: New test.
PR preprocessor/27746
* gcc.dg/gomp/macro-3.c: New test.
* gcc.dg/gomp/macro-4.c: New test.
* g++.dg/gomp/macro-3.C: New test.
* g++.dg/gomp/macro-4.C: New test.
From-SVN: r114519
