[kernel] Support BlockExpression-s in the type inference constraint builder.

Ignore function bodies for external methods.

BUG=
R=asgerf@google.com

Review URL: https://chromereviews.googleplex.com/482497013 .
1 file changed
tree: e5f953d9337ddd40fac4d32a554ab03c59caa138
  1. pkg/