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-rw-r--r--libbuild2/variable.cxx3
1 files changed, 3 insertions, 0 deletions
diff --git a/libbuild2/variable.cxx b/libbuild2/variable.cxx
index 206eb54..14803cb 100644
--- a/libbuild2/variable.cxx
+++ b/libbuild2/variable.cxx
@@ -485,6 +485,9 @@ namespace build2
uint64_t value_traits<uint64_t>::
convert (name&& n, name* r)
{
+ // Note: in some places we reply on this function not
+ // changing the passed name.
+ //
if (r == nullptr && n.simple ())
{
try