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-rw-r--r--src/diagnostics.hpp1
-rw-r--r--src/sexpr/variant.tcc6
2 files changed, 6 insertions, 1 deletions
diff --git a/src/diagnostics.hpp b/src/diagnostics.hpp
index 31596dc..dab15b5 100644
--- a/src/diagnostics.hpp
+++ b/src/diagnostics.hpp
@@ -52,6 +52,7 @@ namespace tmwa
# define CLANG (0)
# endif
#endif
+#define GCC_PATCH (GCC * 100 + __GNUC_PATCHLEVEL__)
#if GCC >= 406 || CLANG
# define PRAGMA(x) _Pragma(#x) static_assert(1, "I like my semicolons")
diff --git a/src/sexpr/variant.tcc b/src/sexpr/variant.tcc
index ce820bf..69bf191 100644
--- a/src/sexpr/variant.tcc
+++ b/src/sexpr/variant.tcc
@@ -20,6 +20,8 @@
#include <cassert>
#include "bind.hpp"
+#include "../diagnostics.hpp"
+
namespace tmwa
{
namespace sexpr
@@ -116,9 +118,11 @@ namespace sexpr
data.template construct<C, A...>(std::forward<A>(a)...);
state = not_negative_one<Union<D, T...>::template index<C>()>();
}
- catch(...)
+ catch (...)
{
+#if GCC_PATCH != 40702 // apparent compiler bug, not reduced
static_assert(std::is_nothrow_constructible<D>::value, "first element is nothrow constructible");
+#endif
data.template construct<D>();
state = 0;
throw;