diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/compile/internal/ssa/sccp.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/sccp.go b/src/cmd/compile/internal/ssa/sccp.go index 9b958d0454..7ef8d6b7c1 100644 --- a/src/cmd/compile/internal/ssa/sccp.go +++ b/src/cmd/compile/internal/ssa/sccp.go @@ -507,6 +507,10 @@ func (t *worklist) propagate(block *Block) { branchIdx = 1 - condLattice.val.AuxInt } else { branchIdx = condLattice.val.AuxInt + if branchIdx < 0 || branchIdx >= int64(len(block.Succs)) { + // unreachable code, do nothing then + break + } } t.edges = append(t.edges, block.Succs[branchIdx]) } else { |