119cea98f6
The PR92385 fix meant that we see more VEC_INIT_EXPR outside of INIT_EXPR; in such cases, we need to wrap them in TARGET_EXPR. I previously fixed that in build_array_copy; we also need it in process_init_constructor. After fixing that, I needed to adjust a few places to recognize the VEC_INIT_EXPR even inside a TARGET_EXPR. And prevent cp_fully_fold_init from lowering VEC_INIT_EXPR too soon. And handle COMPOUND_EXPR inside TARGET_EXPR better. PR c++/104300 PR c++/92385 gcc/cp/ChangeLog: * cp-tree.h (get_vec_init_expr): New. (target_expr_needs_replace): New. * cp-gimplify.cc (cp_gimplify_init_expr): Use it. (struct cp_fold_data): New. (cp_fold_r): Only genericize inits at end of fn. (cp_fold_function): Here. (cp_fully_fold_init): Not here. * init.cc (build_vec_init): Use get_vec_init_expr. * tree.cc (build_vec_init_expr): Likewise. * typeck2.cc (split_nonconstant_init_1): Likewise. (process_init_constructor): Wrap VEC_INIT_EXPR in TARGET_EXPR. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/initlist-array14.C: New test. |
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