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C++: Limit number of nested class instantiations

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...to avoid out of memory crashes.

Task-number: QTCREATORBUG-18649
Change-Id: I5e121bf4be0fd0c01a97a182ed07ee7552fb68ac
Reviewed-by: Przemyslaw Gorszkowski <pgorszkowski@gmail.com>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Nikolai Kosjar
2017-08-07 12:36:22 +02:00
parent 58aef63959
commit 63e16d6346
1 changed files with 2 additions and 0 deletions
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2
src/libs/cplusplus/LookupContext.cpp
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@@ -1387,6 +1387,8 @@ void ClassOrNamespace::instantiateNestedClasses(ClassOrNamespace *enclosingTempl
void ClassOrNamespace::NestedClassInstantiator::instantiate(ClassOrNamespace *enclosingTemplateClass, void ClassOrNamespace::NestedClassInstantiator::instantiate(ClassOrNamespace *enclosingTemplateClass,
ClassOrNamespace *enclosingTemplateClassInstantiation) ClassOrNamespace *enclosingTemplateClassInstantiation)
{ {
if (_alreadyConsideredNestedClassInstantiations.size() >= 3)
return;
if (_alreadyConsideredNestedClassInstantiations.contains(enclosingTemplateClass)) if (_alreadyConsideredNestedClassInstantiations.contains(enclosingTemplateClass))
return; return;
_alreadyConsideredNestedClassInstantiations.insert(enclosingTemplateClass); _alreadyConsideredNestedClassInstantiations.insert(enclosingTemplateClass);