[Coverage] End deferred regions before labels, fixes PR35867

A deferred region should end before the start of a label, and should not
extend to the start of the label sub-statement.

Fixes llvm.org/PR35867.

llvm-svn: 333715

1 files changed, 1 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CoverageMappingGen.cpp b/clang/lib/CodeGen/CoverageMappingGen.cpp
index 8f1f3d169f0..2d844646359 100644
--- a/clang/lib/CodeGen/CoverageMappingGen.cpp
+++ b/clang/lib/CodeGen/CoverageMappingGen.cpp
@@ -872,6 +872,7 @@ struct CounterCoverageMappingBuilder
     Counter LabelCount = getRegionCounter(S);
     SourceLocation Start = getStart(S);
     completeTopLevelDeferredRegion(LabelCount, Start);
+    completeDeferred(LabelCount, Start);
     // We can't extendRegion here or we risk overlapping with our new region.
     handleFileExit(Start);
     pushRegion(LabelCount, Start);