Sp(3) = exception; // the AP_STACK
Sp(2) = ghczmprim_GHCziBool_True_closure; // dummy breakpoint info
Sp(1) = ghczmprim_GHCziBool_True_closure; // True <=> a breakpoint
Sp(3) = exception; // the AP_STACK
Sp(2) = ghczmprim_GHCziBool_True_closure; // dummy breakpoint info
Sp(1) = ghczmprim_GHCziBool_True_closure; // True <=> a breakpoint