[Bug preprocessor/114436] #pragma GCC system_header vs. _Pragma("GCC system_header")

[lhyatt at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114436

Lewis Hyatt <lhyatt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-03-22
             Status|UNCONFIRMED                 |NEW
                 CC|                            |lhyatt at gcc dot gnu.org

--- Comment #2 from Lewis Hyatt <lhyatt at gcc dot gnu.org> ---
This should fix it correctly, will test it sometime.

diff --git a/libcpp/directives.cc b/libcpp/directives.cc
index 479f8c716e8..36cc762e704 100644
--- a/libcpp/directives.cc
+++ b/libcpp/directives.cc
@@ -1986,7 +1986,9 @@ destringize_and_run (cpp_reader *pfile, const cpp_string
*in,

   /* Finish inlining run_directive.  */
   pfile->buffer->file = NULL;
+  const auto new_sysp = pfile->buffer->sysp;
   _cpp_pop_buffer (pfile);
+  pfile->buffer->sysp = new_sysp;

   /* Reset the old macro state before ...  */
   XDELETE (pfile->context);