diff options
Diffstat (limited to 'libphobos/libdruntime/core/lifetime.d')
| -rw-r--r-- | libphobos/libdruntime/core/lifetime.d | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/libphobos/libdruntime/core/lifetime.d b/libphobos/libdruntime/core/lifetime.d index 3a7c8e02b8a..47fed9dc514 100644 --- a/libphobos/libdruntime/core/lifetime.d +++ b/libphobos/libdruntime/core/lifetime.d @@ -1273,7 +1273,9 @@ void copyEmplace(S, T)(ref S source, ref T target) @system } else static if (__traits(hasCopyConstructor, T)) { - emplace(cast(Unqual!(T)*) &target); // blit T.init + // https://issues.dlang.org/show_bug.cgi?id=22766 + import core.internal.lifetime : emplaceInitializer; + emplaceInitializer(*(cast(Unqual!T*)&target)); static if (__traits(isNested, T)) { // copy context pointer @@ -1373,6 +1375,22 @@ void copyEmplace(S, T)(ref S source, ref T target) @system static assert(!__traits(compiles, copyEmplace(ss, t))); } +// https://issues.dlang.org/show_bug.cgi?id=22766 +@system pure nothrow @nogc unittest +{ + static struct S + { + @disable this(); + this(int) @safe pure nothrow @nogc{} + this(ref const(S) other) @safe pure nothrow @nogc {} + } + + S s1 = S(1); + S s2 = void; + copyEmplace(s1, s2); + assert(s2 == S(1)); +} + version (DigitalMars) version (X86) version (Posix) version = DMD_X86_Posix; // don't violate immutability for reference types |