commit 9f5e5dbcb31032fc729501805ed548d80abad115
author Dominik Laskowski <domlaskowski@google.com> Tue May 25 12:52:24 2021 -0700
committer Dominik Laskowski <domlaskowski@google.com> Fri Jun 04 13:38:17 2021 -0700
tree 865155d757a9187df0e39359a98cc1d38c15cb47
parent 776941460afa5d714a7f2c29866c35cdd75efb7c

FTL: Add cast safety checker

Add a function to check cast safety, to be used by a saturating cast
that (among other uses) will replace ui::Size::clamp, which invokes
the undefined behavior of signed overflow when casting INT32_MAX to
float and back.

Bug: 185536303
Test: ftl_test
Change-Id: I412a1d72de7235b73ea3dd3f194d0da178ce5eb2

libs/ftl/Android.bp

diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index 97626be..2226791 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -14,6 +14,7 @@
         address: true,
     },
     srcs: [
+        "cast_test.cpp",
         "future_test.cpp",
         "small_map_test.cpp",
         "small_vector_test.cpp",