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From: Erick Ochoa <eochoa@gcc.gnu.org>
Date: Wed, 7 Jul 2021 11:27:05 +0200
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Subject: tree decl stored during LGEN does not map to a symtab_node during WPA
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Hi,

I am saving some tree declarations during LGEN that I will be later
analyzing at WPA time. I am able to read the decl from my summaries
and print it at WPA time. It corresponds to a global variable.
However, whenever I use symtab_node::get (decl) during WPA time I keep
getting NULL.

Does anyone know why that might be the case? Is it possible that other
optimizations are rewriting global variables during LGEN (or prior
WPA)? The variable I am looking at is a static const char typeinfo
name for a class in the program I am analyzing. I don't think this is
an issue since other type info names have an associated symtab_node.

Thanks!