Revert "[ MC ] Match labels to existing fragments even when switching sections."

This reverts commit 4272372c571cd33edc77a8844b0a224ad7339138.

Caused an MSan buildbot failure. More information available in the patch
that introduced the bug: https://reviews.llvm.org/D71368

1 files changed, 0 insertions, 35 deletions

diff --git a/llvm/lib/MC/MCSection.cpp b/llvm/lib/MC/MCSection.cpp
index 7a953054e72..2c892ab8160 100644
--- a/llvm/lib/MC/MCSection.cpp
+++ b/llvm/lib/MC/MCSection.cpp
@@ -86,41 +86,6 @@ MCSection::getSubsectionInsertionPoint(unsigned Subsection) {
   return IP;
 }
 
-void MCSection::addPendingLabel(MCSymbol* label, unsigned Subsection) {
-  PendingLabels.push_back(PendingLabel(label, Subsection));
-}
-
-void MCSection::flushPendingLabels(MCFragment *F, uint64_t FOffset,
-				   unsigned Subsection) {
-  if (PendingLabels.empty())
-    return;
-
-  // Set the fragment and fragment offset for all pending symbols in the
-  // specified Subsection, and remove those symbols from the pending list.
-  for (auto It = PendingLabels.begin(); It != PendingLabels.end(); ++It) {
-    PendingLabel& Label = *It;
-    if (Label.Subsection == Subsection) {
-      Label.Sym->setFragment(F);
-      Label.Sym->setOffset(FOffset);
-      PendingLabels.erase(It--);
-    }
-  }
-}
-
-void MCSection::flushPendingLabels() {
-  // Make sure all remaining pending labels point to data fragments, by
-  // creating new empty data fragments for each Subsection with labels pending.
-  while (!PendingLabels.empty()) {
-    PendingLabel& Label = PendingLabels[0];
-    iterator CurInsertionPoint =
-      this->getSubsectionInsertionPoint(Label.Subsection);
-    MCFragment *F = new MCDataFragment();
-    getFragmentList().insert(CurInsertionPoint, F);
-    F->setParent(this);
-    flushPendingLabels(F, 0, Label.Subsection);
-  }
-}
-
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 LLVM_DUMP_METHOD void MCSection::dump() const {
   raw_ostream &OS = errs();