Currently, when creating a named section, the Wasm
frontend forces it to use `SectionKind::Data`, whereas
in fact C++ does generate code sections with custom
names.
Patch by Nicholas Wilson
Differential Revision: https://reviews.llvm.org/D40906
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320002 91177308-0d34-0410-b5e6-96231b3b80d8
