[[no_unique_address]] C++ attribute can cause two fields of a RECORD_TYPE overlap, which currently confuses the totally scalarizing code into creating invalid access tree. For GCC 10, I'd like to simply disable total scalarization of types where this happens. For GCC 11 I'll write down a TODO item to enable total scalarization of cases like this where the problematic fields are basically empty - despite having a non-zero size - i.e. when they are just RECORD_TYPEs without any data fields. 2020-02-19 Martin Jambor <mjambor@suse.cz> gcc/ PR tree-optimization/93667 * tree-sra.c (scalarizable_type_p): Return false if record fields do not follow wach other. gcc/testsuite/ PR tree-optimization/93667 * g++.dg/tree-ssa/pr93667.C: New test.
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