[PATCH 3/5] Downgrade debug_expr_for_decl to non-cache

[Tom de Vries]

On 12/07/15 17:45, Tom de Vries wrote:
> Hi,
>
> this patch series implements the forbidding of multi-step garbage
> collection liveness dependencies between caches.
>
> The first four patches downgrade 3 caches to non-cache, since they
> introduce multi-step dependencies. This allows us to decouple:
> - establishing a policy for multi-step dependencies in caches, and
> - fixing issues that allow us to use these 3 as caches again.
>
> 1. Downgrade debug_args_for_decl to non-cache
> 2. Add struct tree_decl_map_hasher
> 3. Downgrade debug_expr_for_decl to non-cache
> 4. Downgrade value_expr_for_decl to non-cache
> 5. Don't mark live recursively in gt_cleare_cache
>
> Bootstrapped and reg-tested on x86_64, with ENABLE_CHECKING.
>
> I'll post the patches in response to this email.

This patch downgrades debug_expr_for_decl to non-cache.

OK for trunk?

Thanks,
- Tom

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