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1From debdf8ce55d2d42c15bc99a09bd2c37c4c910630 Mon Sep 17 00:00:00 2001
2From: David Tardon <dtardon@redhat.com>
3Date: Sat, 18 Nov 2017 10:06:24 +0100
4Subject: [PATCH] ofz#4303 avoid signed integer overflow
5
6/usr/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp:110:26: runtime error: signed integer overflow: -2147483647 - 19 cannot be represented in type 'int'
7---
8 include/boost/spirit/home/qi/numeric/detail/real_impl.hpp | 2 ++
9 1 file changed, 2 insertions(+)
10
11diff --git a/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp b/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp
12index 3e7ab18a9..4a65bd79c 100644
13--- a/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp
14+++ b/include/boost/spirit/home/qi/numeric/detail/real_impl.hpp
15@@ -108,6 +108,8 @@ namespace boost { namespace spirit { namespace traits
16     inline bool
17     scale(int exp, int frac, T& n, AccT acc_n)
18     {
19+        if (exp < std::numeric_limits<int>::min() + frac)
20+            return false;
21         return scale(exp - frac, n, acc_n);
22     }
23
24--
252.14.3
26
27