Fix bad type checking on fn trait calls #3240
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We can have a case where the placeholder is not configred and the can_resolve check is not detecting this case which can lead to ICE. gcc/rust/ChangeLog: * typecheck/rust-tyty.cc (PlaceholderType::can_resolve): check for empty mappings Signed-off-by: Philip Herron <[email protected]>
Fixes RustGcc#2953 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-item.cc (TypeCheckItem::visit): fix the ty_id gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: nr2 cant handle these * rust/compile/issue-2953-1.rs: New test. * rust/compile/issue-2953-2.rs: New test. Signed-off-by: Philip Herron <[email protected]>
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Fixes #2953