Most of the subtlety here comes from needing to deal with either the old parts or the new being possibly a constant object. Uses WalkLiteralAccessChain combined with the size of the "new part" to determine the range within the object which should be replaced. Bug: b/126475423 Change-Id: I81f58d0de5dcacc74ffbd155708996c23dbe388e Reviewed-on: https://swiftshader-review.googlesource.com/c/25214Tested-by: Chris Forbes <chrisforbes@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
