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Remove OARY operator

This operator is the same than OPTR, so it is not necessary.

--- a/cc1/cc1.h

+++ b/cc1/cc1.h

@@ -172,7 +172,7 @@

 } Node;

 enum {

-	OCAST = 1, OPTR, OADD, OARY, OSIZE, OMUL, OSUB,

+	OCAST = 1, OPTR, OADD, OSIZE, OMUL, OSUB,

 	OINC, ODEC, ODIV, OMOD, OSHL, OSHR,

 	OBAND, OBXOR, OBOR, OASSIGN, OA_MUL, OA_DIV,

 	OA_MOD, OA_ADD, OA_SUB, OA_SHL, OA_SHR,

--- a/cc1/code.c

+++ b/cc1/code.c

@@ -14,7 +14,6 @@

 	[OADD] = "+",

 	[OSUB] = "-",

 	[OMUL] = "*",

-	[OARY] = "'",

 	[OINC] = ";+",

 	[ODEC] =  ";-",

 	[OSIZE] = "#",

--- a/cc1/expr.c

+++ b/cc1/expr.c

@@ -321,7 +321,7 @@

 	tp = np1->type;

 	if (tp->op != PTR)

 		error("subscripted value is neither array nor pointer nor vector");

-	np1 =  unarycode(OARY, tp->type , np1);

+	np1 =  unarycode(OPTR, tp->type , np1);

 	np1->b.lvalue = 1;

 	return np1;

 }