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

It takes the whole total new capacity, not the increase.

BenchmarkFamilies::FindBenchmarks(): correctly use std::vector<>::reserve()
e0a080d0 · Roman Lebedev · a54ef37a · e0a080d0
Unverified Commit e0a080d0 authored Jun 02, 2021 by Roman Lebedev
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benchmark_register.cc src/benchmark_register.cc +1 -1

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--- 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) {