diff --git a/SwiftCompilerSources/Sources/SIL/BasicBlock.swift b/SwiftCompilerSources/Sources/SIL/BasicBlock.swift
index d4777535e511f..d727298b4e3cd 100644
--- a/SwiftCompilerSources/Sources/SIL/BasicBlock.swift
+++ b/SwiftCompilerSources/Sources/SIL/BasicBlock.swift
@@ -25,7 +25,7 @@ final public class BasicBlock : ListNode, CustomStringConvertible, HasShortDescr
   public var function: Function { SILBasicBlock_getFunction(bridged).function }
 
   public var description: String {
-    String(_cxxString: SILBasicBlock_debugDescription(bridged))
+    SILBasicBlock_debugDescription(bridged).takeString()
   }
   public var shortDescription: String { name }
 
diff --git a/include/swift/SIL/SILBridging.h b/include/swift/SIL/SILBridging.h
index cb45c70e6e13b..60df87c1d8c94 100644
--- a/include/swift/SIL/SILBridging.h
+++ b/include/swift/SIL/SILBridging.h
@@ -223,7 +223,7 @@ std::string SILGlobalVariable_debugDescription(BridgedGlobalVar global);
 OptionalBridgedBasicBlock SILBasicBlock_next(BridgedBasicBlock block);
 OptionalBridgedBasicBlock SILBasicBlock_previous(BridgedBasicBlock block);
 BridgedFunction SILBasicBlock_getFunction(BridgedBasicBlock block);
-std::string SILBasicBlock_debugDescription(BridgedBasicBlock block);
+BridgedStringRef SILBasicBlock_debugDescription(BridgedBasicBlock block);
 OptionalBridgedInstruction SILBasicBlock_firstInst(BridgedBasicBlock block);
 OptionalBridgedInstruction SILBasicBlock_lastInst(BridgedBasicBlock block);
 SwiftInt SILBasicBlock_getNumArguments(BridgedBasicBlock block);
diff --git a/lib/SIL/Utils/SILBridging.cpp b/lib/SIL/Utils/SILBridging.cpp
index cfca1ce49e24c..eeb4dd7bece3b 100644
--- a/lib/SIL/Utils/SILBridging.cpp
+++ b/lib/SIL/Utils/SILBridging.cpp
@@ -251,12 +251,11 @@ BridgedFunction SILBasicBlock_getFunction(BridgedBasicBlock block) {
   return {castToBasicBlock(block)->getParent()};
 }
 
-std::string SILBasicBlock_debugDescription(BridgedBasicBlock block) {
+BridgedStringRef SILBasicBlock_debugDescription(BridgedBasicBlock block) {
   std::string str;
   llvm::raw_string_ostream os(str);
   castToBasicBlock(block)->print(os);
-  str.pop_back(); // Remove trailing newline.
-  return str;
+  return getCopiedBridgedStringRef(str, /*removeTrailingNewline*/ true);
 }
 
 OptionalBridgedInstruction SILBasicBlock_firstInst(BridgedBasicBlock block) {
diff --git a/test/SILOptimizer/addr_escape_info.sil b/test/SILOptimizer/addr_escape_info.sil
index 0f6c069cec95a..d3478834af8fe 100644
--- a/test/SILOptimizer/addr_escape_info.sil
+++ b/test/SILOptimizer/addr_escape_info.sil
@@ -2,9 +2,6 @@
 
 // REQUIRES: swift_in_compiler
 
-// rdar92963081
-// UNSUPPORTED: OS=linux-gnu
-
 sil_stage canonical
 
 import Builtin
diff --git a/test/SILOptimizer/escape_info.sil b/test/SILOptimizer/escape_info.sil
index c4ab8918e2a1c..e2d9d19e94d03 100644
--- a/test/SILOptimizer/escape_info.sil
+++ b/test/SILOptimizer/escape_info.sil
@@ -2,9 +2,6 @@
 
 // REQUIRES: swift_in_compiler
 
-// rdar92963081
-// UNSUPPORTED: OS=linux-gnu
-
 sil_stage canonical
 
 import Builtin
diff --git a/test/SILOptimizer/ranges.sil b/test/SILOptimizer/ranges.sil
index a0c74989e45b9..6b97c3bed5ec7 100644
--- a/test/SILOptimizer/ranges.sil
+++ b/test/SILOptimizer/ranges.sil
@@ -2,9 +2,6 @@
 
 // REQUIRES: swift_in_compiler
 
-// rdar92963081
-// UNSUPPORTED: OS=linux-gnu
-
 sil_stage canonical
 
 // CHECK-LABEL: Instruction range in basic_test: