qt-everywhere-src-5.15.1/qtscript/tests/auto/shared/util.h

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#ifndef QSCRIPTTESTUTILS_H
#define QSCRIPTTESTUTILS_H

// The JavaScriptCore GC marks the C stack. To try to ensure that there is
// no JSObject* left in stack memory by the compiler, we call this function
// to zap some bytes of memory before calling collectGarbage().
static void zapSomeStack()
{
    char buf[4096];
    memset(buf, 0, sizeof(buf));
}

static void collectGarbage_helper(QScriptEngine &eng)
{
    zapSomeStack();
    eng.collectGarbage();
}

#endif