<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class="">I just upgraded Stack to v1.0.2 on Mac OS X. I naively ran 'stack test --trace' hoping to get better messages out of any errorWithStackTrace calls in my tests. </div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class=""><br></div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class="">After a long, successful build, the tests failed with the message 'Could not understand these extra arguments: +RTS -xc'. </div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class=""><br></div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class="">Am I doing something obviously wrong? Or is this a Stack bug?</div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class=""><br></div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class="">--Eric</div><div style="margin-top: 0px; margin-bottom: 0px; font-size: 12px; font-family: Helvetica;" dir="ltr" id="yui_3_16_0_1_1453310906494_3651" class=""><br></div></div></body></html>