dlopen & dlclose can't throw C++ or ObjC exceptions, so don't do the extra work of

setting & deleting the breakpoints to watch for this.

<rdar://problem/27780214>

llvm-svn: 278305

lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp

@@ -882,6 +882,7 @@ PlatformPOSIX::EvaluateLibdlExpression(lldb_private::Process* process,
     expr_options.SetIgnoreBreakpoints(true);
     expr_options.SetExecutionPolicy(eExecutionPolicyAlways);
     expr_options.SetLanguage(eLanguageTypeC_plus_plus);
+    expr_options.SetTrapExceptions(false); // dlopen can't throw exceptions, so don't do the work to trap them.
     expr_options.SetTimeoutUsec(2000000); // 2 seconds
 
     Error expr_error;