gcc/c/c-decl.c

89   PARM,				/* Declaration of parm before function body */
5054   tree decl = grokdeclarator (parm->declarator, parm->specs, PARM, false,
5073   decl = grokdeclarator (parm->declarator, parm->specs, PARM, false, NULL,
5372      PARM for a parameter declaration (either within a function prototype
5392    It may also be so in the PARM case, for a prototype where the
5488 	gcc_assert (decl_context == PARM
5506     decl_context = PARM;
5636       if (decl_context == PARM && storage_class == csc_register)
5649 	    case PARM:
5997 	    else if (decl_context == PARM)
6080 	    if (decl_context != PARM
6221 	       We expect nothing to be needed here for PARM or TYPENAME.
6291       else if (decl_context == PARM && TREE_CODE (type) != ARRAY_TYPE)
6336       else if (decl_context == PARM)
6474   if (VOID_TYPE_P (type) && decl_context != PARM
6491     if (decl_context == PARM)
6809        Of course, this only makes sense on  VAR,PARM, and RESULT decl's.   */