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09e91ac6ab
Templates can end in parameter packs, like this
template <class T...> struct MyStruct
{ /*...*/ };
LLDB does not currently support these parameter packs;
it does not emit them into the template argument list
at all. This causes problems when you specialize, e.g.:
template <> struct MyStruct<int>
{ /*...*/ };
template <> struct MyStruct<int, int> : MyStruct<int>
{ /*...*/ };
LLDB generates two template specializations, each with
no template arguments, and then when they are imported
by the ASTImporter into a parser's AST context we get a
single specialization that inherits from itself,
causing Clang's record layout mechanism to smash its
stack.
This patch fixes the problem for classes and adds
tests. The tests for functions fail because Clang's
ASTImporter can't import them at the moment, so I've
xfailed that test.
Differential Revision: https://reviews.llvm.org/D33025
llvm-svn: 302833
25 lines
1.1 KiB
C++
25 lines
1.1 KiB
C++
//===-- main.cpp ------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LIDENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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template <class T> int staticSizeof() {
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return sizeof(T);
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}
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template <class T1, class T2, class... Ts> int staticSizeof() {
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return staticSizeof<T2, Ts...>() + sizeof(T1);
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}
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int main (int argc, char const *argv[])
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{
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int sz = staticSizeof<long, int, char>();
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return staticSizeof<long, int, char>() != sz; //% self.expect("expression -- sz == staticSizeof<long, int, char>()", "staticSizeof<long, int, char> worked", substrs = ["true"])
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//% self.expect("expression -- sz == staticSizeof<long, int>() + sizeof(char)", "staticSizeof<long, int> worked", substrs = ["true"])
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//% self.expect("expression -- sz == staticSizeof<long>() + sizeof(int) + sizeof(char)", "staticSizeof<long> worked", substrs = ["true"])
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}
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