clang build DynamoRIO pre-commit tests failure

There are several pre-commit tests failure for clang build

```
RESULTS

debug-internal-32: 200 tests passed, **** 11 tests failed: ****
code_api|linux.signalfd
code_api|security-common.vbjmp-rac-test
code_api|client.exception => Application /.../DynamoRIO/builds/build_suite/build_debug-internal-32/suite/tests/bin/simple_app (31649). Internal Error: DynamoRIO debug check failure: /.../DynamoRIO/builds/build_suite/dynamorio-test/core/unix/loader.c:1491 ti-ti_module tls_info.num_mods
code_api|client.inline
code_api|client.destructor => hasdtr::hasdtrApplication /.../DynamoRIO/builds/build_suite/build_debug-internal-32/suite/tests/bin/client.destructor (31783). Internal Error: DynamoRIO debug check failure: /.../DynamoRIO/builds/build_suite/dynamorio-test/core/unix/loader.c:1491 ti-ti_module tls_info.num_mods
code_api|client.nudge_ex
code_api|client.drsyms-test
code_api|tool.drcachesim.TLB-threads
code_api|tool.drcachesim.threads
code_api|client.drx-test
code_api|client.nudge_test
debug-internal-64: 200 tests passed, **** 6 tests failed: ****
code_api|common.decode
code_api|client.abort
code_api|client.drsyms-test
code_api|sample.instrcalls
code_api|tool.drcachesim.threads
code_api|tool.drcachesim.TLB-threads
release-external-32: build successful; no tests for this build
release-external-64: build successful; no tests for this build
vmsafe-debug-internal-32: build successful; no tests for this build
vps-debug-internal-32: build successful; no tests for this build
```