ARM suite test regressions: api.disA32, api.disT32, many more

We did not have ARM tests being run for a while. Now that we have a CDash machine back up, I compared its debug run yesterday to the most recent on that same machine name from April 2018:

http://dynamorio.org/CDash/viewTest.php?buildid=35255

Testing started on 2018-04-18 23:37:13
Name	Status	Time	Details	Labels
code_api|client.drmgr-test	Failed	5s 810ms	Completed (Failed)	
code_api|linux.signal_race	Failed	1m 30s 690ms	Completed (Failed)	
code_api|linux.eintr-noinline	Failed	1m 30s 220ms	Completed (Failed)	
code_api|tool.drcachesim.invariants	Failed	1m 30s 410ms	Completed (Failed)	
code_api|tool.histogram.offline	Failed	1m 31s 760ms	Completed (Failed)	
code_api|tool.drcachesim.delay-simple	Failed	8s 340ms	Completed (Failed)

http://dynamorio.org/CDash/viewTest.php?buildid=44194

Testing started on 2019-06-21 23:30:26
Name	Status	Time	Details	Labels
code_api|linux.signal_race	Failed	1m 30s 20ms	Completed (Failed)	
code_api|linux.eintr-noinline	Failed	1m 30s 180ms	Completed (Failed)	
 code_api|linux.sigsuspend	Failed	1m 30s 100ms	Completed (Failed)	
 code_api|tool.drcacheoff.simple	Failed	6s 770ms	Completed (Failed)	
 code_api|tool.drcacheoff.filter	Failed	8s 820ms	Completed (Failed)	
 code_api|tool.drcacheoff.opcode_mix	Failed	7s 620ms	Completed (Failed)	
 code_api|linux.syscall_pwait	Failed	10s 890ms	Completed (Failed)	
 code_api|client.predicate-test	Failed	1s 110ms	Completed (Failed)	
 code_api|client.drreg-test	Failed	1s 520ms	Completed (Failed)	
code_api|client.drmgr-test	Failed	3s 410ms	Completed (Failed)	
 code_api|client.drutil-test	Failed	2s 420ms	Completed (Failed)	
 code_api|sample.opcodes	Failed	510ms	Completed (Failed)	
code_api|tool.drcachesim.delay-simple	Failed	4s 110ms	Completed (Failed)	
 code_api|tool.drcacheoff.multiproc	Failed	12s 390ms	Completed (Failed)	
 code_api|api.disA32	Failed	1s 360ms	Completed (Failed)	
 code_api|api.disT32	Failed	1s 430ms	Completed (Failed)