Dump failed lockstep flag

src/Compiler.jl

@@ -739,6 +739,7 @@ end
 
 const DEBUG_KERNEL = Ref{Bool}(false)
 const DUMP_LLVMIR = Ref{Bool}(false)
+const DUMP_FAILED_LOCKSTEP = Ref{Bool}(false)
 const OpenMP = Ref{Bool}(true)
 const SROA_ATTRIBUTOR = Ref{Bool}(true)
 
@@ -901,7 +902,7 @@ function compile_mlir!(
     elseif raise
         # Raise enabled but use default passes
         # TODO remove redundant libdevice raise after fixing phase ordering
-        "canonicalize,llvm-to-memref-access,canonicalize,convert-llvm-to-cf,canonicalize,enzyme-lift-cf-to-scf,canonicalize,func.func(canonicalize-loops),canonicalize-scf-for,canonicalize,libdevice-funcs-raise,canonicalize,affine-cfg,canonicalize,func.func(canonicalize-loops),canonicalize,llvm-to-affine-access,canonicalize,delinearize-indexing,canonicalize,simplify-affine-exprs,affine-cfg,canonicalize,func.func(affine-loop-invariant-code-motion),canonicalize,raise-affine-to-stablehlo{prefer_while_raising=false},canonicalize,arith-raise{stablehlo=true}," *
+        "canonicalize,llvm-to-memref-access,canonicalize,convert-llvm-to-cf,canonicalize,enzyme-lift-cf-to-scf,canonicalize,func.func(canonicalize-loops),canonicalize-scf-for,canonicalize,libdevice-funcs-raise,canonicalize,affine-cfg,canonicalize,func.func(canonicalize-loops),canonicalize,llvm-to-affine-access,canonicalize,delinearize-indexing,canonicalize,simplify-affine-exprs,affine-cfg,canonicalize,func.func(affine-loop-invariant-code-motion),canonicalize,raise-affine-to-stablehlo{prefer_while_raising=false dump_failed_lockstep=$(DUMP_FAILED_LOCKSTEP[])},canonicalize,arith-raise{stablehlo=true}," *
         opt_passes2
     else
         "canonicalize"