diff options
| -rw-r--r-- | src/mir/from_hir.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mir/from_hir.cpp b/src/mir/from_hir.cpp index e5e11404..95c664b2 100644 --- a/src/mir/from_hir.cpp +++ b/src/mir/from_hir.cpp @@ -976,11 +976,16 @@ namespace { { TRACE_FUNCTION_F("_Unsize"); this->visit_node_ptr(node.m_value); - auto ptr_lval = m_builder.get_result_in_lvalue(node.m_value->span(), node.m_value->m_res_type); const auto& ty_out = node.m_res_type; const auto& ty_in = node.m_value->m_res_type; + if( ty_out == ty_in ) { + return ; + } + + auto ptr_lval = m_builder.get_result_in_lvalue(node.m_value->span(), node.m_value->m_res_type); + if( ty_out.m_data.is_Borrow() && ty_in.m_data.is_Borrow() ) { const auto& oe = ty_out.m_data.as_Borrow(); |