Ensure that #include FOO undergoes macro replacement. But, as is the
case with C/C++, continue to not perform macro replacement in a #include
directive with <angled brackets>.
Using recently established message severity codes, upgrade
non-fatal messages to usage and portability warnings as
appropriate.
Differential Revision: https://reviews.llvm.org/D121246
Update the preprocessor regression tests to use the new driver if the new driver is built (FLANG_BUILD_NEW_DRIVER=On), otherwise the tests will still run using f18.
Summary of changes:
- Introduce %flang to the regression tests, which points to the new driver if it is built or otherwise points to f18
- Update all tests in flang/test/Preprocessing/ to use %flang
Differential Revision: https://reviews.llvm.org/D94805
C-style /*comments*/ are removed during preprocessing directive
tokenization, but Fortran !comments need to be specifically
allowed.
Fixes LLVM bugzilla 47466.
Differential Revision: https://reviews.llvm.org/D87638
