On Thu, Aug 11, 2011 at 12:27 AM, Richard Guenther
<richard.guent...@gmail.com> wrote:
> On Wed, Aug 10, 2011 at 8:22 PM, Gabriel Charette <gch...@google.com> wrote:
>> There was a bug where c_finish_options would create some builtins and assign 
>> them source_locations in the linemap other than BUILTINS_LOCATION == 1.
>>
>> Thus, when calling DECL_IS_BUILTIN to know if a decl is a builtin, some of 
>> them would return false as they had a source_location other than 
>> BUILTINS_LOCATION within the line_map entry that was incorrectly created in 
>> c_finish_options.
>
> DECL_IS_BUILTIN is almost never the appropriate thing to use, instead
> you should use DECL_BUILT_IN (and grepping, I see some suspicious uses
> ...).

Why don't all builtins have BUILTINS_LOCATION as their location? It
doesn't make sense to me that we need to create a line_table entry for
builtins as they don't have line/col information.

Gabriel

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