target/5528: Build failure on IRIX with native c-compiler [PATCH]

[lminder@gmx.net]

>Number:         5528
>Category:       target
>Synopsis:       Build failure on IRIX with native c-compiler [PATCH]
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jan 29 04:46:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     lminder@gmx.net
>Release:        gcc 3.0.3
>Organization:
>Environment:
IRIX6.5, mips, mipspro C compiler
>Description:
The mipspro C compiler intended to compile gcc has
problems with conditional expressions

	(1)	Conditional expressions can'b be used as
		lvalue, i.e.
			(x ? y : z) = 5
		doesn't work

	(2)	The second and third operand of ?: must be
		`compatible' types, e.g, you can't have

			a ? b : c

		with b of type void and c int, even if you
		don't intend to reuse the evaluated expression.

The patch includes a workaround for those two problems which
cause gcc to fail to build. (Replace ?:-assignment by if/else,
cast operands to void).
>How-To-Repeat:
trying to compile gcc on irix with mipspro-cc. (BTW, there
is yet another problem that cp/parse.c refers yyprint(),
fixed by #undef YYPRINT. I don't know what causes this.)
>Fix:
included
>Release-Note:
>Audit-Trail:
>Unformatted:
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