28     benchmark::DoNotOptimize(pi);  in BM_Strtod_Pi()
29     benchmark::DoNotOptimize(strtod(pi, nullptr));  in BM_Strtod_Pi()
38     benchmark::DoNotOptimize(pi);  in BM_Absl_Pi()
41     benchmark::DoNotOptimize(v);  in BM_Absl_Pi()
49     benchmark::DoNotOptimize(pi);  in BM_Strtod_Pi_float()
50     benchmark::DoNotOptimize(strtof(pi, nullptr));  in BM_Strtod_Pi_float()
59     benchmark::DoNotOptimize(pi);  in BM_Absl_Pi_float()
62     benchmark::DoNotOptimize(v);  in BM_Absl_Pi_float()
70     benchmark::DoNotOptimize(num);  in BM_Strtod_HardLarge()
71     benchmark::DoNotOptimize(strtod(num, nullptr));  in BM_Strtod_HardLarge()
80     benchmark::DoNotOptimize(numstr);  in BM_Absl_HardLarge()
83     benchmark::DoNotOptimize(v);  in BM_Absl_HardLarge()
91     benchmark::DoNotOptimize(num);  in BM_Strtod_HardSmall()
92     benchmark::DoNotOptimize(strtod(num, nullptr));  in BM_Strtod_HardSmall()
101     benchmark::DoNotOptimize(numstr);  in BM_Absl_HardSmall()
104     benchmark::DoNotOptimize(v);  in BM_Absl_HardSmall()
113     benchmark::DoNotOptimize(num);  in BM_Strtod_HugeMantissa()
114     benchmark::DoNotOptimize(strtod(num, nullptr));  in BM_Strtod_HugeMantissa()
124     benchmark::DoNotOptimize(num);  in BM_Absl_HugeMantissa()
127     benchmark::DoNotOptimize(v);  in BM_Absl_HugeMantissa()
159     benchmark::DoNotOptimize(begin);  in BM_Strtod_Big_And_Difficult()
160     benchmark::DoNotOptimize(strtod(begin, nullptr));  in BM_Strtod_Big_And_Difficult()
170     benchmark::DoNotOptimize(begin);  in BM_Absl_Big_And_Difficult()
173     benchmark::DoNotOptimize(v);  in BM_Absl_Big_And_Difficult()