Detect: Drop detected predefined macros starting in '__has'

These macros are builtin to Clang so we should not try to use any such
definitions detected from the compiler.

1 files changed, 4 insertions, 0 deletions

diff --git a/test/cc-msvc.c b/test/cc-msvc.c
index 8ddbac1..8f439b4 100644
--- a/test/cc-msvc.c
+++ b/test/cc-msvc.c
@@ -5,6 +5,10 @@ int main(void)
   fprintf(stdout,
     "\n"
     "#define __cc_msvc__ 1\n"
+    "#define __has_include(x) x\n"
+    "#define __has_include_next(x) x\n"
+    "#define __cc_msvc_minor__ 1\n"
+    "#define __has_last(x) x"
     );
   return 0;
 }