commit d875d513f28529e39f2c31fc673214a94ac0f2fb
author Hsin-Yi Chen <hsinyichen@google.com> Wed Sep 28 14:23:53 2022 +0800
committer Hsin-Yi Chen <hsinyichen@google.com> Wed Sep 28 10:59:51 2022 +0000
tree b26145970559036f3547262d90f9e9852444c98b
parent efd3826863b478d5186c63f3308885349522cc80

Do not allow extending pass-by-value parameters or return types

Resizing the parameters or return types changes the stack layout. It
is not an allowed extension to functions.
AbiDiffHelper::CompareFunctionTypes additionally checks the sizes of the
parameters and the return types. The difference cannot be ignored by
-allow-extensions. The user who intends to ignore the difference should
specify -ignore-symbols or -ignore-linker-set-key.

Test: ./test.py
Bug: 248418092
Change-Id: Ibef3b9260504afff3fc0260b0565736133b8e0dc