On Sun, May 20, 2012 at 7:24 PM, Nathan Sidwell <nat...@acm.org> wrote:
> In building a ppc cross compiler using a freshly built native compiler, I
> encountered an ICE in iterative_hash_expr compiling c-lex.c.  I extracted
> the attached testcase, showing the problem is with statement expressions.
> Investigation showed I_H_E seeing BLOCK and BIND_EXPR nodes, which is was
> unprepared for.  These two nodes are never considered equal by
> operand_equal_p, so we don't need to look into them further to refine the
> hash.
>
> I'm not sure why a native i686-pc-linux-gnu bootstrap doesn't encounter this
> problem.
>
> The attached patch resolves the ICE.  built and tested on i686-pc-linux-gnu,
> ok?

Hmm - I think this papers over the issue that the CONSTRUCTOR is not
properly gimplified - it still contains a TARGET_EXPR which is not valid GIMPLE.
Why is that TARGET_EXPR not gimplified?

Richard.

> nathan

Reply via email to