91d0618368
Implicit cast between char* and StringRef when writing sections. Reproduce: ``` $> llvm-objcopy --dump-section=name=name.data out.wasm $> llvm-objcopy --remove-section=name out.wasm out_no_name.wasm $> llvm-objcopy --add-section=name=name.data out_no_name.wasm out_new_name.wasm ``` Reviewed By: dschuff Differential Revision: https://reviews.llvm.org/D139210