503 struct GTY(()) function {  struct
506   /* The control flow graph for this function.  */  argument
509   /* GIMPLE body for this function.  */  argument
515   /* The loops in this function.  */  argument
518   /* The stack usage of this function.  */  argument
524   /* For function.c.  */  argument
529   /* A PARM_DECL that should contain the static chain for this function.  argument
538   /* Vector of function local variables, functions, types and constants.  */  argument
547   struct language_function * language;  argument
563   /* Line number of the start of the function for debugging purposes.  */  argument
564   location_t function_start_locus;  argument
567   location_t function_end_locus;  argument
573   /* Non-null if the function does something that would prevent it from  argument
586      function.  */  argument
589   /* Nonzero if function being compiled can call setjmp.  */  argument
592   /* Nonzero if function being compiled can call alloca,  argument
596   /* Nonzero if function being compiled receives nonlocal gotos  argument
601      (cannot_be_copied_set && !cannot_be_copied_reason), the function  argument
605   /* Nonzero if current function uses stdarg.h or equivalent.  */  argument
609   unsigned int always_inline_functions_inlined : 1;  argument
611   /* Nonzero if function being compiled can throw synchronous non-call  argument
618   /* Nonzero if function being compiled needs to be given an address  argument
622   /* Nonzero if function being compiled needs to  argument
626   /* Nonzero if pass_tree_profile was run on this function.  */  argument
629   /* Nonzero if this function has local DECL_HARD_REGISTER variables.  argument
633   /* Nonzero if the current function is a thunk, i.e., a lightweight  argument
643 add_local_decl (struct function *fun, tree d)  in add_local_decl()  argument