[WebAssembly] Check more details in call-indirect test. NFC.
[WebAssembly] Check more details in call-indirect test. NFC.

Also make function bodies unique so they can be distinguished
in the output.  This is helpful for adding support for --gc-sections.

Differential Revision: https://reviews.llvm.org/D41093

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@320441 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld