[WebAssembly] Define the `end` opcode value.

CFGStackify differentiates between END_LOOP and END_BLOCK, but wasm
itself doesn't. For now, just use the same opcode for both.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285016 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed