[asan] fix a test following r209508

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@209509 91177308-0d34-0410-b5e6-96231b3b80d8
[ubsan] handle long double in 32-bit mode; part of the patch by Marek Polacek

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@209516 91177308-0d34-0410-b5e6-96231b3b80d8
[ubsan] temporary disable testing with -m32 as there are bots that don't support it

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@209517 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Make stack traces from dlclose()'d modules more meaningful.

Previously, they silently omitted PCs belonging to unknown modules. Now we print
(<unknown module>) instead.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@209522 91177308-0d34-0410-b5e6-96231b3b80d8