diff options
Diffstat (limited to 'src/cmd/compile/internal/reflectdata/alg.go')
| -rw-r--r-- | src/cmd/compile/internal/reflectdata/alg.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/reflectdata/alg.go b/src/cmd/compile/internal/reflectdata/alg.go index eb46ed84aa..f74a42eac1 100644 --- a/src/cmd/compile/internal/reflectdata/alg.go +++ b/src/cmd/compile/internal/reflectdata/alg.go @@ -785,6 +785,9 @@ func (e *eqSigBuilder) build(t *types.Type) { // The generated loops are kind of inefficient as well, // so unroll the loop a bit. const unrollSize = 32 // make loop body compare around this many bytes + if et.Size() == 0 { + break // zero-size elements need no comparison + } unroll := max(1, unrollSize/et.Size()) // Do partial loops directly. for n%unroll != 0 { |