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After r7-987-gf17a223de829cb, the access for the elements of a vector type would lose the qualifiers. So if we had `constvector[0]`, the type of the element of the array would not have const on it. This was due to a missing build_qualified_type for the inner type of the vector when building the array type. We need to add back the call to build_qualified_type and now the access has the correct qualifiers. So the overloads and even if it is a lvalue or rvalue is correctly done. Note we correctly now reject the testcase gcc.dg/pr83415.c which was incorrectly accepted after r7-987-gf17a223de829cb. Built and tested for aarch64-linux-gnu. PR c++/89224 gcc/c-family/ChangeLog: * c-common.cc (convert_vector_to_array_for_subscript): Call build_qualified_type for the inner type. gcc/cp/ChangeLog: * constexpr.cc (cxx_eval_array_reference): Compare main variants for the vector/array types instead of the types directly. gcc/testsuite/ChangeLog: * g++.dg/torture/vector-subaccess-1.C: New test. * gcc.dg/pr83415.c: Change warning to error. Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com> |
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