Looks like we have a blind spot in the testing matrix.
AsyncRegionRewriter.cpp: In member function ‘virtual void {anonymous}::GpuAsyncRegionPass::runOnFunction()’:
AsyncRegionRewriter.cpp:113:16: internal compiler error: in replace_placeholders_r, at cp/tree.c:2804
if (getFunction()
~~~~~~~~~~~~~
.getRegion()
~~~~~~~~~~~~
.walk(Callback{OpBuilder{&getContext()}})
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~