From: Jason Merrill <jason@redhat.com>
To: Jakub Jelinek <jakub@redhat.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [C++ PATCH] Fix build_noexcept_spec ICE (PR c++/54207)
Date: Thu, 06 Dec 2012 14:07:00 -0000 [thread overview]
Message-ID: <50C0A6AF.9090007@redhat.com> (raw)
In-Reply-To: <20121206072442.GG2315@tucnak.redhat.com>
On 12/06/2012 02:24 AM, Jakub Jelinek wrote:
> + if (TREE_CODE (expr) == INTEGER_CST)
> + {
> + if (operand_equal_p (expr, boolean_true_node, 0))
> + return noexcept_true_spec;
> + else if (operand_equal_p (expr, boolean_false_node, 0))
> + return noexcept_false_spec;
> + }
These are the only two possibilities for a boolean INTEGER_CST, so let's
assert that it's false if it isn't true.
You can then leave the 'else' on the "if (expr == error_mark_node)".
> + if (TREE_CODE (expr) == INTEGER_CST)
> + {
> + if (operand_equal_p (expr, boolean_true_node, 0)
> + || operand_equal_p (expr, boolean_false_node, 0))
> + new_specs = expr;
> + }
And here you don't need to check the value at all unless in an assert.
Jason
next prev parent reply other threads:[~2012-12-06 14:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-06 7:24 Jakub Jelinek
2012-12-06 14:07 ` Jason Merrill [this message]
2012-12-06 14:31 ` Jakub Jelinek
2012-12-06 15:08 ` Jason Merrill
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