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gtags: failed to parse template

From: Lorenz Hübschle-Schneider
Subject: gtags: failed to parse template
Date: Tue, 30 Aug 2016 16:45:46 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.2.0

Dear all,

GNU global 6.5.4 has trouble with the following template specialisation snippet:

template <typename T>
struct Foo<typename std::enable_if<sizeof(T) <= 2* sizeof(size_t)>::type>

gtags: failed to parse template [+2 ./foo.cpp].

If I use "<" instead of "<=" it still fails, but it works if I use ">". It's probably not expecting operator< to appear inside a template.


Full file, valid C++11:
#include <type_traits>

template <typename T, typename Enable = void>
struct Foo{};

template <typename T>
struct Foo<T, typename std::enable_if<(sizeof(T) < 8)>::type>

int main(void) {
    Foo<int> foo;

- fails on line 7

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