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digitalmars.D.bugs - [Issue 23112] New: code passes nogc, allocates anyway


          Issue ID: 23112
           Summary: code passes  nogc, allocates anyway
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: su+dlangissues angel-island.zone

the following code allocates, bypassing  nogc and -vgc.

struct Forward(alias F) {
    auto opCall(Ts...)(Ts args) {
        return F(args);

auto bar(T)(T a)  nogc nothrow  safe {
    auto f()
        return a;

    Forward!f val;
    return val;

May 16 2022