b0d11f1ed6
https://gcc.gnu.org/ml/gcc-patches/2019-08/msg01971.html * internal.h (enum include_type): Add IT_MAIN, IT_DIRECTIVE_HWM, IT_HEADER_HWM. (_cpp_stack_file): Take include_type, not a bool. * files.c (_cpp_find_file): Refactor to not hide an if inside a for conditional. (should_stack_file): Break apart to ... (is_known_idempotent_file, has_unique_contents): ... these. (_cpp_stack_file): Replace IMPORT boolean with include_type enum. Refactor to use new predicates. Do linemap compensation here ... (_cpp_stack_include): ... not here. * init.c (cpp_read_main_file): Pass IT_MAIN to _cpp_stack_file. From-SVN: r275034