Adapt to API change that moved Sysroot attribute to CompileUnit

Commit 7b30370 changed the Sysroot
attribute to the CompileUnit which broke the build.

(cherry picked from commit 728e8a1)

Author: Teemperor

lib/IRGen/IRGenDebugInfo.cpp

@@ -659,10 +659,8 @@ class IRGenDebugInfoImpl : public IRGenDebugInfo {
       }
     }
 
-    StringRef Sysroot = IGM.Context.SearchPathOpts.SDKPath;
     llvm::DIModule *M =
-        DBuilder.createModule(Parent, Name, ConfigMacros, RemappedIncludePath,
-                              Sysroot);
+        DBuilder.createModule(Parent, Name, ConfigMacros, RemappedIncludePath);
     DIModuleCache.insert({Key, llvm::TrackingMDNodeRef(M)});
     return M;
   }
@@ -1697,13 +1695,18 @@ IRGenDebugInfoImpl::IRGenDebugInfoImpl(const IRGenOptions &Opts,
       DBuilder.createFile(DebugPrefixMap.remapPath(SourcePath),
                           DebugPrefixMap.remapPath(Opts.DebugCompilationDir));
 
+  StringRef Sysroot = IGM.Context.SearchPathOpts.SDKPath;
   TheCU = DBuilder.createCompileUnit(
       Lang, MainFile,
       Producer, Opts.shouldOptimize(), Opts.getDebugFlags(PD),
       MajorRuntimeVersion, SplitName,
       Opts.DebugInfoLevel > IRGenDebugInfoLevel::LineTables
           ? llvm::DICompileUnit::FullDebug
-          : llvm::DICompileUnit::LineTablesOnly);
+      : llvm::DICompileUnit::LineTablesOnly,
+      /* DWOId */ 0, /* SplitDebugInlining */ true,
+      /* DebugInfoForProfiling */ false,
+      llvm::DICompileUnit::DebugNameTableKind::Default,
+      /* RangesBaseAddress */ false, Sysroot);
 
   // Because the swift compiler relies on Clang to setup the Module,
   // the clang CU is always created first.  Several dwarf-reading