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This patch is a revised fix for PR c++/96442 providing a cleaner solution, setting ENUM_UNDERLYING_TYPE to integer_type_node when issuing an error, so that this invariant holds during the parser's error recovery. 2022-06-07 Roger Sayle <roger@nextmovesoftware.com> gcc/cp/ChangeLog PR c++/96442 * decl.cc (start_enum): When emitting a "must be integral" error, set ENUM_UNDERLYING_TYPE to integer_type_node, to avoid an ICE downstream in build_enumeration. gcc/testsuite/ChangeLog PR c++/96442 * g++.dg/parse/pr96442.C: New test case.
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