DEV: Add heuristics to ignore AST nodes present inside inbuilt headers

Author: czgdp1807

src/lc/clang_ast_to_asr.h

@@ -898,6 +898,9 @@ class ClangASTtoASRVisitor: public clang::RecursiveASTVisitor<ClangASTtoASRVisit
             "include/__stddef_max_align_t.h",
             "usr/include",
             "mambaforge/envs",
+            "lib/gcc",
+            "lib/clang",
+            "micromamba-root/envs"
         };
         for( std::string& path: include_paths ) {
             if( file_path.find(path) != std::string::npos ) {