This PR fixes a crash in `GpuKernelOutliningPass` that occurred when encountering a symbol that was not a `FlatSymbolRefAttr`, enabling outlining of nested `gpu.launch` operations. Fixes #149318.
This PR fixes a crash in `GpuKernelOutliningPass` that occurred when encountering a symbol that was not a `FlatSymbolRefAttr`, enabling outlining of nested `gpu.launch` operations. Fixes #149318.