Fix integer wrap sanitisation.

Test: make check
Test: afl-clang with new corpus data
Bug: 239630493
Change-Id: I232155e7f7a54271a6a3e3a7cd91ed6bbabc051f
Merged-In: I232155e7f7a54271a6a3e3a7cd91ed6bbabc051f
(cherry picked from commit 05dec6d1827dc7016cad11c4ddfe8f965bceddb7)
1 file changed