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-rw-r--r--Source/cmStateDirectory.cxx1
1 files changed, 1 insertions, 0 deletions
diff --git a/Source/cmStateDirectory.cxx b/Source/cmStateDirectory.cxx
index 5aa8e5b..85e6366 100644
--- a/Source/cmStateDirectory.cxx
+++ b/Source/cmStateDirectory.cxx
@@ -442,6 +442,7 @@ const char* cmStateDirectory::GetProperty(const std::string& prop,
std::vector<std::string> child_dirs;
std::vector<cmStateSnapshot> const& children =
this->DirectoryState->Children;
+ child_dirs.reserve(children.size());
for (cmStateSnapshot const& ci : children) {
child_dirs.push_back(ci.GetDirectory().GetCurrentSource());
}