Allow LLDB pretty printer to skip resolving type across all modules

The lookup is quite slow, and will hang the lldb debugger,
causing Xcode to hang too.

Change-Id: Ic6579a5de9404c0040d3d304169f18109f61d2ac
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

share/qtcreator/debugger/lldbbridge.py

@@ -774,6 +774,9 @@ class Dumper(DumperBase):
             if typeobj is not None:
                 return typeobj
 
+        return self.lookupNativeTypeInAllModules(name)
+
+    def lookupNativeTypeInAllModules(self, name):
         needle = self.canonicalTypeName(name)
         #warn('NEEDLE: %s ' % needle)
         warn('Searching for type %s across all target modules, this could be very slow' % name)
@@ -1878,6 +1881,10 @@ class SummaryDumper(Dumper, LogMixin):
     def report(self, stuff):
         return # Don't mess up lldb output
 
+    def lookupNativeTypeInAllModules(self, name):
+        warn('Failed to resolve type %s' % name)
+        return None
+
     def dump_summary(self, valobj, expanded = False):
         try:
             from pygdbmi import gdbmiparser