diff options
Diffstat (limited to 'lib/CodeGen/LiveInterval.cpp')
| -rw-r--r-- | lib/CodeGen/LiveInterval.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp index f4ebcd6fa4..c3bf2d234c 100644 --- a/lib/CodeGen/LiveInterval.cpp +++ b/lib/CodeGen/LiveInterval.cpp @@ -427,7 +427,7 @@ void LiveInterval::join(LiveInterval &Other, // If we have to apply a mapping to our base interval assignment, rewrite it // now. - if (MustMapCurValNos) { + if (MustMapCurValNos && !empty()) { // Map the first live range. iterator OutIt = begin(); |