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authorHoward Hinnant <hhinnant@apple.com>2013-09-14 18:20:10 +0000
committerHoward Hinnant <hhinnant@apple.com>2013-09-14 18:20:10 +0000
commit3b2d7ee18c5d22b0859bfde0688a1c4957af1bfc (patch)
tree2c5d9cec74663f0d7378a7203c21ae4757b47986 /libcxx/src
parent401aebab934b54ecf596c8fe628e0e09cf095c97 (diff)
downloadbcm5719-llvm-3b2d7ee18c5d22b0859bfde0688a1c4957af1bfc.tar.gz
bcm5719-llvm-3b2d7ee18c5d22b0859bfde0688a1c4957af1bfc.zip
Marshall Clow: LWG Issue 2056: future_errc enums start with value 0 (invalid value for broken_promise).
llvm-svn: 190756
Diffstat (limited to 'libcxx/src')
-rw-r--r--libcxx/src/future.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/libcxx/src/future.cpp b/libcxx/src/future.cpp
index 7d9a5b5da69..70919ab7df8 100644
--- a/libcxx/src/future.cpp
+++ b/libcxx/src/future.cpp
@@ -26,11 +26,15 @@ __future_error_category::name() const _NOEXCEPT
return "future";
}
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wswitch"
+
string
__future_error_category::message(int ev) const
{
switch (static_cast<future_errc>(ev))
{
+ case future_errc(0): // For backwards compatibility with C++11 (LWG 2056)
case future_errc::broken_promise:
return string("The associated promise has been destructed prior "
"to the associated state becoming ready.");
@@ -46,6 +50,8 @@ __future_error_category::message(int ev) const
return string("unspecified future_errc value\n");
}
+#pragma clang diagnostic pop
+
const error_category&
future_category() _NOEXCEPT
{
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