message: Produce a correct but minimal FunctionAddressMap.
  Fixes debug_assert! firing in lookup_frame_info.
diff: @@ -40,8 +40,8 @@ use wasmer_compiler::wasmparser::{self, BinaryReader, MemoryImmediate, Operator}
  use wasmer_compiler::{
  to_wasm_error, wasm_unsupported, Addend, CodeOffset, CompileError, CompiledFunction,
  CompiledFunctionFrameInfo, CustomSection, CustomSectionProtection, FunctionAddressMap,
  - FunctionBody, FunctionBodyData, Relocation, RelocationKind, RelocationTarget, SectionBody,
  - SourceLoc, WasmResult,
  + FunctionBody, FunctionBodyData, InstructionAddressMap, Relocation, RelocationKind,
  + RelocationTarget, SectionBody, SourceLoc, WasmResult,
  };
  use wasmer_runtime::libcalls::LibCall;
  use wasmer_runtime::Module as WasmerCompilerModule;
  @@ -426,11 +426,15 @@ impl FuncTranslator {
  }
  let address_map = FunctionAddressMap {
  - instructions: vec![],
  + instructions: vec![InstructionAddressMap {
  + srcloc: SourceLoc::default(),
  + code_offset: 0,
  + code_len: bytes.len(),
  + }],
  start_srcloc: SourceLoc::default(),
  end_srcloc: SourceLoc::default(),
  body_offset: 0,
  - body_len: 0, // TODO
  + body_len: bytes.len(),
  };
  Ok((
  