Merge pull request #42123 from beccadax/fix-42094

Fix uninitialized IRGenOptions field

Author: swift-ci

include/swift/AST/IRGenOptions.h

@@ -446,7 +446,8 @@ class IRGenOptions {
         EnableReflectionNames(true), EnableAnonymousContextMangledNames(false),
         ForcePublicLinkage(false), LazyInitializeClassMetadata(false),
         LazyInitializeProtocolConformances(false),
-        IndirectAsyncFunctionPointer(false), DisableLegacyTypeInfo(false),
+        IndirectAsyncFunctionPointer(false),
+        CompactAbsoluteFunctionPointer(false), DisableLegacyTypeInfo(false),
         PrespecializeGenericMetadata(false), UseIncrementalLLVMCodeGen(true),
         UseTypeLayoutValueHandling(true), ForceStructTypeLayouts(false),
         GenerateProfile(false), EnableDynamicReplacementChaining(false),