diff options
Diffstat (limited to 'nixpkgs/pkgs/development/libraries/boost/clang-math-2.patch')
| -rw-r--r-- | nixpkgs/pkgs/development/libraries/boost/clang-math-2.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/boost/clang-math-2.patch b/nixpkgs/pkgs/development/libraries/boost/clang-math-2.patch new file mode 100644 index 000000000000..f819e9bec623 --- /dev/null +++ b/nixpkgs/pkgs/development/libraries/boost/clang-math-2.patch @@ -0,0 +1,45 @@ +From 6bb71fdd8f7cc346d90fb14beb38b7297fc1ffd9 Mon Sep 17 00:00:00 2001 +From: Andrey Semashev <andrey.semashev@gmail.com> +Date: Sun, 26 Jan 2014 13:58:48 +0400 +Subject: [PATCH] Fixed incorrect initialization of 128-bit values, when no + native support for 128-bit integers is available. + +--- + boost/atomic/detail/cas128strong.hpp | 10 +++++++--- + 1 file changed, 7 insertions(+), 3 deletions(-) + +diff --git a/boost/atomic/detail/cas128strong.hpp b/boost/atomic/detail/cas128strong.hpp +index 906c13e..dcb4d7d 100644 +--- a/boost/atomic/detail/cas128strong.hpp ++++ b/boost/atomic/detail/cas128strong.hpp +@@ -196,15 +196,17 @@ class base_atomic<T, void, 16, Sign> + + public: + BOOST_DEFAULTED_FUNCTION(base_atomic(void), {}) +- explicit base_atomic(value_type const& v) BOOST_NOEXCEPT : v_(0) ++ explicit base_atomic(value_type const& v) BOOST_NOEXCEPT + { ++ memset(&v_, 0, sizeof(v_)); + memcpy(&v_, &v, sizeof(value_type)); + } + + void + store(value_type const& value, memory_order order = memory_order_seq_cst) volatile BOOST_NOEXCEPT + { +- storage_type value_s = 0; ++ storage_type value_s; ++ memset(&value_s, 0, sizeof(value_s)); + memcpy(&value_s, &value, sizeof(value_type)); + platform_fence_before_store(order); + platform_store128(value_s, &v_); +@@ -247,7 +249,9 @@ class base_atomic<T, void, 16, Sign> + memory_order success_order, + memory_order failure_order) volatile BOOST_NOEXCEPT + { +- storage_type expected_s = 0, desired_s = 0; ++ storage_type expected_s, desired_s; ++ memset(&expected_s, 0, sizeof(expected_s)); ++ memset(&desired_s, 0, sizeof(desired_s)); + memcpy(&expected_s, &expected, sizeof(value_type)); + memcpy(&desired_s, &desired, sizeof(value_type)); + |