tree 3c74b830b9ded8b123cfdd00a0114ce1c88afcd8
parent 26b4ad25609ef0f620d6dd9a4102e9fb20b34240
author Yi Kong <yikong@google.com> 1595290854 +0800
committer Yi Kong <yikong@google.com> 1595291136 +0800

[BACKPORT] Avoid a report_fatal_error in sections().

Have it return a ErrorOr<Range> and delete section_begin and
section_end.

Backported from upstream revision r285807.

Test: presubmit
Bug: 161717501
Change-Id: I575b298f2aaf5bf8d2443d95dcf5817dd0a5b724