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From: jeffa@hpmwtd.HP.COM (Jeff Aguilera)
Newsgroups: comp.lang.c
Subject: Re: () ignored in some expressions
Message-ID: <680023@hpmwjaa.HP.COM>
Date: 12 Apr 90 20:46:34 GMT
References: <48079@lanl.gov>
Organization: HP Microwave Tech. - Santa Rosa, Ca.
Lines: 7

> Correct me if I'm wrong, but I thought that if you write it simply as
> "(a + b) + c" then the compiler may still ignore the ().
> But ANSI states: if you write it as "+(a + b) + c" (note the unary plus),
> then the compiler has to evaluate (a+b) first.

No.  The compiler is not allowed to combine subexpressions of (a+b) with
any in c.  The order is still not guaranteed.