ci: set ASan's detect_invalid_pointer_pairs to 2

Change-Id: Ibc9a4bd447a8ccebbf864c2da6c279ef5e272739
diff --git a/.jenkins.d/20-tests.sh b/.jenkins.d/20-tests.sh
index 286e95a..eda93c7 100755
--- a/.jenkins.d/20-tests.sh
+++ b/.jenkins.d/20-tests.sh
@@ -31,7 +31,7 @@
 ASAN_OPTIONS+=":detect_stack_use_after_return=1"
 ASAN_OPTIONS+=":strict_init_order=1"
 ASAN_OPTIONS+=":strict_string_checks=1"
-ASAN_OPTIONS+=":detect_invalid_pointer_pairs=1"
+ASAN_OPTIONS+=":detect_invalid_pointer_pairs=2"
 ASAN_OPTIONS+=":detect_container_overflow=0"
 ASAN_OPTIONS+=":detect_leaks=0"
 ASAN_OPTIONS+=":strip_path_prefix=${PWD}/"