BenchmarkFamilies::FindBenchmarks(): correctly use std::vector<>::reserve()

LebedevRI · LebedevRI · commit e0a080d00ea0 · 2021-06-02T13:28:05.000+03:00
It takes the whole total new capacity, not the increase.
diff --git a/src/benchmark_register.cc b/src/benchmark_register.cc
@@ -150,7 +150,7 @@ bool BenchmarkFamilies::FindBenchmarks(
     }
     // reserve in the special case the regex ".", since we know the final
     // family size.
-    if (spec == ".") benchmarks->reserve(family_size);
+    if (spec == ".") benchmarks->reserve(benchmarks->size() + family_size);
 
     for (auto const& args : family->args_) {
       for (int num_threads : *thread_counts) {

Original file line number	Diff line number	Diff line change
`@@ -150,7 +150,7 @@ bool BenchmarkFamilies::FindBenchmarks(`
`150`	`150`	`}`
`151`	`151`	`// reserve in the special case the regex ".", since we know the final`
`152`	`152`	`// family size.`
`153`		`- if (spec == ".") benchmarks->reserve(family_size);`
	`153`	`+ if (spec == ".") benchmarks->reserve(benchmarks->size() + family_size);`
`154`	`154`
`155`	`155`	`for (auto const& args : family->args_) {`
`156`	`156`	`for (int num_threads : *thread_counts) {`