diff --git a/lib/IRGen/GenCoverage.cpp b/lib/IRGen/GenCoverage.cpp
index 1ac2709f51fba..eb1d589d01e74 100644
--- a/lib/IRGen/GenCoverage.cpp
+++ b/lib/IRGen/GenCoverage.cpp
@@ -97,8 +97,9 @@ void IRGenModule::emitCoverageMapping() {
           MR.Counter, /*FileID=*/0, MR.StartLine, MR.StartCol, MR.EndLine,
           MR.EndCol));
     // Append each function's regions into the encoded buffer.
-    llvm::coverage::CoverageMappingWriter W({FileID}, M.getExpressions(),
-                                            Regions);
+    ArrayRef<unsigned> VirtualFileMapping(FileID);
+    llvm::coverage::CoverageMappingWriter W(VirtualFileMapping,
+                                            M.getExpressions(), Regions);
     W.write(OS);
 
     std::string NameValue = llvm::getPGOFuncName(
diff --git a/test/SILGen/coverage_smoke.swift b/test/SILGen/coverage_smoke.swift
index e76a8718e2d42..756809e578235 100644
--- a/test/SILGen/coverage_smoke.swift
+++ b/test/SILGen/coverage_smoke.swift
@@ -1,4 +1,3 @@
-// REQUIRES: rdar://29591622
 // RUN: rm -rf %t && mkdir -p %t
 // RUN: %target-build-swift %s -profile-generate -profile-coverage-mapping -Xfrontend -disable-incremental-llvm-codegen -o %t/main
 // RUN: env LLVM_PROFILE_FILE=%t/default.profraw %target-run %t/main