[formatters] Capping size limitation avoidance for the libcxx and libcpp bitset data formatters.

This diff is avoiding the size limitation introduced by the capping size for the libcxx and libcpp bitset data formatters.

Reviewed By: wallace

Differential Revision: https://reviews.llvm.org/D114461

lldb/source/Plugins/Language/CPlusPlus/GenericBitset.cpp

@@ -81,12 +81,11 @@ bool GenericBitsetFrontEnd::Update() {
   TargetSP target_sp = m_backend.GetTargetSP();
   if (!target_sp)
     return false;
-  size_t capping_size = target_sp->GetMaximumNumberOfChildrenToDisplay();
 
   size_t size = 0;
 
   if (auto arg = m_backend.GetCompilerType().GetIntegralTemplateArgument(0))
-    size = arg->value.getLimitedValue(capping_size);
+    size = arg->value.getLimitedValue();
 
   m_elements.assign(size, ValueObjectSP());
   m_first = m_backend.GetChildMemberWithName(GetDataContainerMemberName(), true)

lldb/test/API/functionalities/data-formatter/data-formatter-stl/generic/bitset/TestDataFormatterGenericBitset.py

@@ -21,7 +21,7 @@ class GenericBitsetDataFormatterTestCase(TestBase):
 
     def setUp(self):
         TestBase.setUp(self)
-        primes = [1]*300
+        primes = [1]*1000
         primes[0] = primes[1] = 0
         for i in range(2, len(primes)):
             for j in range(2*i, len(primes), i):
@@ -58,7 +58,8 @@ class GenericBitsetDataFormatterTestCase(TestBase):
 
         self.check("empty", 0, VALUE)
         self.check("small", 13, VALUE)
-        self.check("large", 70, VALUE)
+        self.check("medium", 70, VALUE)
+        self.check("large", 1000, VALUE)
 
     @add_test_categories(["libstdcxx"])
     def test_value_libstdcpp(self):
@@ -84,6 +85,11 @@ class GenericBitsetDataFormatterTestCase(TestBase):
         self.check("ref", 70, REFERENCE)
         self.check("ptr", 70, POINTER)
 
+        lldbutil.continue_to_breakpoint(process, bkpt)
+
+        self.check("ref", 1000, REFERENCE)
+        self.check("ptr", 1000, POINTER)
+
     @add_test_categories(["libstdcxx"])
     def test_ptr_and_ref_libstdcpp(self):
         self.do_test_ptr_and_ref(USE_LIBSTDCPP)

lldb/test/API/functionalities/data-formatter/data-formatter-stl/generic/bitset/main.cpp

@@ -20,9 +20,12 @@ int main() {
   std::bitset<0> empty;
   std::bitset<13> small;
   fill(small);
-  std::bitset<70> large;
+  std::bitset<70> medium;
+  fill(medium);
+  std::bitset<1000> large;
   fill(large);
   by_ref_and_ptr(small, &small); // break here
+  by_ref_and_ptr(medium, &medium);
   by_ref_and_ptr(large, &large);
   return 0;
 }