25ee2155ea
On the following testcase we ICE, because synthesize_method is called twice on the same sfk_comparison method fndecl, the first time it works fine because start_preparsed_function in that case sets both current_function_decl and cfun, but second time it is called it only sets the former and keeps cfun NULL, so we ICE when trying to store current_function_returns_value. I think it is just wrong to call synthesize_method multiple times, and most synthesize_method callers avoid that by not calling it if DECL_INITIAL is already set, so this patch does that too. 2020-05-06 Jakub Jelinek <jakub@redhat.com> PR c++/94907 * method.c (defaulted_late_check): Don't call synthesize_method on constexpr sfk_comparison if it has been called on it already. * g++.dg/cpp2a/spaceship-synth8.C: New test. |
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