Hi!
As can be seen in the second testcase, -fno-debug-cpp is actually
implemented the same as -fdebug-cpp and so doesn't turn the debugging
off.
The following patch fixes that.
Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
2023-12-07 Andrew Pinski <pins...@gmail.com>
Jakub Jelinek <ja...@redhat.com>
PR preprocessor/111965
gcc/c-family/
* c-opts.cc (c_common_handle_option) <case OPT_fdebug_cpp>: Set
cpp_opts->debug to value rather than 1.
gcc/testsuite/
* gcc.dg/cpp/pr111965-1.c: New test.
* gcc.dg/cpp/pr111965-2.c: New test.
--- gcc/c-family/c-opts.cc.jj 2023-12-05 09:06:05.867881859 +0100
+++ gcc/c-family/c-opts.cc 2023-12-06 18:02:20.445469185 +0100
@@ -532,7 +532,7 @@ c_common_handle_option (size_t scode, co
break;
case OPT_fdebug_cpp:
- cpp_opts->debug = 1;
+ cpp_opts->debug = value;
break;
case OPT_ftrack_macro_expansion:
--- gcc/testsuite/gcc.dg/cpp/pr111965-1.c.jj 2023-12-06 17:54:03.696424916
+0100
+++ gcc/testsuite/gcc.dg/cpp/pr111965-1.c 2023-12-06 18:01:32.341142764
+0100
@@ -0,0 +1,5 @@
+/* PR preprocessor/111965
+ { dg-do preprocess }
+ { dg-options "-fdebug-cpp" }
+ { dg-final { scan-file pr111965-1.i "P:<built-in>;F:<NULL>;" } } */
+int x;
--- gcc/testsuite/gcc.dg/cpp/pr111965-2.c.jj 2023-12-06 17:59:36.953758477
+0100
+++ gcc/testsuite/gcc.dg/cpp/pr111965-2.c 2023-12-06 18:01:27.147215490
+0100
@@ -0,0 +1,5 @@
+/* PR preprocessor/111965
+ { dg-do preprocess }
+ { dg-options "-fdebug-cpp -fno-debug-cpp" }
+ { dg-final { scan-file-not pr111965-2.i "P:<built-in>;F:<NULL>;" } } */
+int x;
Jakub
