+extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+ ATTRIBUTE_NORETURN;
+extern void warning0 (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+/* Pass one of the OPT_W* from options.h as the first parameter. */
+extern void warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
+ ATTRIBUTE_NORETURN;
+extern void pedwarn (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void inform (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
+
+extern void rest_of_decl_compilation (tree, int, int);
+extern void rest_of_type_compilation (tree, int);
+extern void tree_rest_of_compilation (tree);
+extern void init_optimization_passes (void);
+extern void finish_optimization_passes (void);
+extern bool enable_rtl_dump_file (int);
+
+extern void announce_function (tree);
+
+extern void error_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void warning_for_asm (const_rtx, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
+extern void warn_deprecated_use (tree);