diff options
Diffstat (limited to 'gcc/function.h')
| -rw-r--r-- | gcc/function.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/function.h b/gcc/function.h index 27bde1c3bd0..ff71c9ab516 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -466,6 +466,11 @@ struct function GTY(()) /* The function currently being compiled. */ extern GTY(()) struct function *cfun; +/* In order to ensure that cfun is not set directly, we redefine it so + that it is not an lvalue. Rather than assign to cfun, use + push_cfun or set_cfun. */ +#define cfun (cfun + 0) + /* Pointer to chain of `struct function' for containing functions. */ extern GTY(()) struct function *outer_function_chain; |