Fix asserts that would trip during emit, which we only use to emit textual representation of generated asm to stdout. Useful for debugging. Bug: b/144688789 Change-Id: I42d60da042fa04bf6afc9035b2892249e5e46c59 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/38475Tested-by: Antonio Maiorano <amaiorano@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
