contract C { struct S { uint a; } S m_x; uint[] m_y; function f() view public { S x = m_x; uint[] y = m_y; x; y; } } // ---- // TypeError 6651: (104-107): Data location must be "storage", "memory" or "calldata" for variable, but none was given. // TypeError 6651: (123-131): Data location must be "storage", "memory" or "calldata" for variable, but none was given.