* verify.cc: Include StringBuffer.h.
(verify_fail): Added pc argument. Use StringBuffer to construct
exception message.
(_Jv_BytecodeVerifier::verify_instructions_0): Put PC into error
message.
(_Jv_BytecodeVerifier::check_return_type): Likewise.
(_Jv_BytecodeVerifier::handle_field_or_method): Likewise.
(_Jv_BytecodeVerifier::check_constant): Likewise.
(_Jv_BytecodeVerifier::check_class_constant): Likewise.
(_Jv_BytecodeVerifier::check_pool_index): Likewise.
(_Jv_BytecodeVerifier::get_variable): Likewise.
(_Jv_BytecodeVerifier::branch_prepass): Likewise. Also, correctly
check exception handler endpoint.
(_Jv_BytecodeVerifier::verify_instructions_0): Correctly handle
wide arguments to current method.
(_Jv_BytecodeVerifier::check_wide_constant): New method.
(_Jv_BytecodeVerifier::verify_instructions_0) [op_ldc2_w]: Use
it.
From-SVN: r47155
* verify.cc (_Jv_BytecodeVerifier::is_assignable_from_slow): New
method.
(type::compatible): Use it.
(type::merge): Likewise.
(type::promote): Return a `type&'.
(get_one_type): Promote return value.
From-SVN: r47097