remark: calls.cc:10:0: _Z3sumii inlined into main to match profiling context with (cost=45, threshold=337) at callsite main:3:0.1;
remark: calls.cc:4:0: _Z3subii inlined into main to match profiling context with (cost=-5, threshold=337) at callsite _Z3sumii:1:0 @ main:3:0.1;