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Fix Issue 17539 - std.parallellism.parallel triggers 'statement not reachable' #5502

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Merged
dlang-bot merged 1 commit into from
Jul 4, 2017
Merged

Fix Issue 17539 - std.parallellism.parallel triggers 'statement not reachable' #5502

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14 changes: 12 additions & 2 deletions std/parallelism.d
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Original file line number Diff line number Diff line change
Expand Up @@ -3500,7 +3500,7 @@ int doSizeZeroCase(R, Delegate)(ref ParallelForeach!R p, Delegate dg)
{
res = dg(elem);
}
if (res) foreachErr();
if (res) break;
index++;
}
}
Expand All @@ -3516,10 +3516,11 @@ int doSizeZeroCase(R, Delegate)(ref ParallelForeach!R p, Delegate dg)
{
res = dg(elem);
}
if (res) foreachErr();
if (res) break;
index++;
}
}
if (res) foreachErr;
return res;
}
}
Expand Down Expand Up @@ -4624,3 +4625,12 @@ version(unittest)
arr.parallel.each!"a++";
})));
}

// https://issues.dlang.org/show_bug.cgi?id=17539
@system unittest
{
import std.random : rndGen;
// ensure compilation
try foreach (rnd; rndGen.parallel) break;
catch (ParallelForeachError e) {}
}