Revert "[JITLink][ELF] Don't skip debug info sections by default."

This reverts commit 57aeb30.
Breaks buildbot https://lab.llvm.org/buildbot/#/builders/197/builds/4272

Author: omjavaid

llvm/lib/ExecutionEngine/JITLink/ELFLinkGraphBuilder.h

@@ -62,14 +62,6 @@ class ELFLinkGraphBuilder : public ELFLinkGraphBuilderBase {
                       StringRef FileName,
                       LinkGraph::GetEdgeKindNameFunction GetEdgeKindName);
 
-  /// Debug sections are included in the graph by default. Use
-  /// setProcessDebugSections(false) to ignore them if debug info is not
-  /// needed.
-  ELFLinkGraphBuilder &setProcessDebugSections(bool ProcessDebugSections) {
-    this->ProcessDebugSections = ProcessDebugSections;
-    return *this;
-  }
-
   /// Attempt to construct and return the LinkGraph.
   Expected<std::unique_ptr<LinkGraph>> buildGraph();
 
@@ -123,7 +115,8 @@ class ELFLinkGraphBuilder : public ELFLinkGraphBuilderBase {
   ///
   template <typename RelocHandlerMethod>
   Error forEachRelaRelocation(const typename ELFT::Shdr &RelSect,
-                              RelocHandlerMethod &&Func);
+                              RelocHandlerMethod &&Func,
+                              bool ProcessDebugSections = false);
 
   /// Traverse all matching ELFT::Rel relocation records in the given section.
   /// The handler function Func should be callable with this signature:
@@ -132,40 +125,44 @@ class ELFLinkGraphBuilder : public ELFLinkGraphBuilderBase {
   ///
   template <typename RelocHandlerMethod>
   Error forEachRelRelocation(const typename ELFT::Shdr &RelSect,
-                             RelocHandlerMethod &&Func);
+                             RelocHandlerMethod &&Func,
+                             bool ProcessDebugSections = false);
 
   /// Traverse all matching rela relocation records in the given section.
   /// Convenience wrapper to allow passing a member function for the handler.
   ///
   template <typename ClassT, typename RelocHandlerMethod>
   Error forEachRelaRelocation(const typename ELFT::Shdr &RelSect,
-                              ClassT *Instance, RelocHandlerMethod &&Method) {
+                              ClassT *Instance, RelocHandlerMethod &&Method,
+                              bool ProcessDebugSections = false) {
     return forEachRelaRelocation(
         RelSect,
         [Instance, Method](const auto &Rel, const auto &Target, auto &GS) {
           return (Instance->*Method)(Rel, Target, GS);
-        });
+        },
+        ProcessDebugSections);
   }
 
   /// Traverse all matching rel relocation records in the given section.
   /// Convenience wrapper to allow passing a member function for the handler.
   ///
   template <typename ClassT, typename RelocHandlerMethod>
   Error forEachRelRelocation(const typename ELFT::Shdr &RelSect,
-                             ClassT *Instance, RelocHandlerMethod &&Method) {
+                             ClassT *Instance, RelocHandlerMethod &&Method,
+                             bool ProcessDebugSections = false) {
     return forEachRelRelocation(
         RelSect,
         [Instance, Method](const auto &Rel, const auto &Target, auto &GS) {
           return (Instance->*Method)(Rel, Target, GS);
-        });
+        },
+        ProcessDebugSections);
   }
 
   const ELFFile &Obj;
 
   typename ELFFile::Elf_Shdr_Range Sections;
   const typename ELFFile::Elf_Shdr *SymTabSec = nullptr;
   StringRef SectionStringTab;
-  bool ProcessDebugSections = true;
 
   // Maps ELF section indexes to LinkGraph Blocks.
   // Only SHF_ALLOC sections will have graph blocks.
@@ -321,7 +318,7 @@ template <typename ELFT> Error ELFLinkGraphBuilder<ELFT>::graphifySections() {
 
     // If the name indicates that it's a debug section then skip it: We don't
     // support those yet.
-    if (!ProcessDebugSections && isDwarfSection(*Name)) {
+    if (isDwarfSection(*Name)) {
       LLVM_DEBUG({
         dbgs() << "    " << SecIndex << ": \"" << *Name
                << "\" is a debug section: "
@@ -525,7 +522,8 @@ template <typename ELFT> Error ELFLinkGraphBuilder<ELFT>::graphifySymbols() {
 template <typename ELFT>
 template <typename RelocHandlerFunction>
 Error ELFLinkGraphBuilder<ELFT>::forEachRelaRelocation(
-    const typename ELFT::Shdr &RelSect, RelocHandlerFunction &&Func) {
+    const typename ELFT::Shdr &RelSect, RelocHandlerFunction &&Func,
+    bool ProcessDebugSections) {
   // Only look into sections that store relocation entries.
   if (RelSect.sh_type != ELF::SHT_RELA)
     return Error::success();
@@ -571,7 +569,8 @@ Error ELFLinkGraphBuilder<ELFT>::forEachRelaRelocation(
 template <typename ELFT>
 template <typename RelocHandlerFunction>
 Error ELFLinkGraphBuilder<ELFT>::forEachRelRelocation(
-    const typename ELFT::Shdr &RelSect, RelocHandlerFunction &&Func) {
+    const typename ELFT::Shdr &RelSect, RelocHandlerFunction &&Func,
+    bool ProcessDebugSections) {
   // Only look into sections that store relocation entries.
   if (RelSect.sh_type != ELF::SHT_REL)
     return Error::success();