[libTooling] Improve error message from failure in selection Stencil
authorYitzhak Mandelbaum <yitzhakm@google.com>
Fri, 26 Jun 2020 16:17:28 +0000 (16:17 +0000)
committerYitzhak Mandelbaum <yitzhakm@google.com>
Fri, 26 Jun 2020 16:17:28 +0000 (16:17 +0000)
commit30deabf89f93f724315e803ebcb2df09b8d36f2a
tree56ee0dc70a14388e2317f4a07ee1d81a627c30ee
parentbefd8f82fe2050a6406c45d330577f46969c7c7d
[libTooling] Improve error message from failure in selection Stencil

This patch improves the error message provided by the stencil that handles
source from a range selector.

Reviewed By: gribozavr2

Differential Revision: https://reviews.llvm.org/D82654
clang/lib/Tooling/Transformer/Stencil.cpp
clang/unittests/Tooling/StencilTest.cpp