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Diffstat (limited to 'src/cmd/compile/internal/walk/order.go')
| -rw-r--r-- | src/cmd/compile/internal/walk/order.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/walk/order.go b/src/cmd/compile/internal/walk/order.go index 861c122456..cc37f95764 100644 --- a/src/cmd/compile/internal/walk/order.go +++ b/src/cmd/compile/internal/walk/order.go @@ -1433,6 +1433,15 @@ func (o *orderState) expr1(n, lhs ir.Node) ir.Node { typecheck.Stmt(as) // Note: this converts the OINDEX to an OINDEXMAP o.stmt(as) } + + // Remember that we issued these assignments so we can include that count + // in the map alloc hint. + // We're assuming here that all the keys in the map literal are distinct. + // If any are equal, this will be an overcount. Probably not worth accounting + // for that, as equal keys in map literals are rare, and at worst we waste + // a bit of space. + n.Len += int64(len(dynamics)) + return m } |