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When using the atomic fast path deregistering can fail during program shutdown if the lookup structures are already destroyed. The assert in __deregister_frame_info_bases takes that into account. In the non-fast-path case however is not aware of program shutdown, which caused a compiler error on such platforms. We fix that by introducing a constant for in_shutdown in non-fast-path builds. We also drop the destructor priority, as it is not supported on all platforms and we no longer rely upon the priority anyway. libgcc/ChangeLog: * unwind-dw2-fde.c: Introduce a constant for in_shutdown for the non-fast-path case. Drop destructor priority.
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