Reset input section pointers to null on each linker invocation.

Previously, if you invoke lld's `main` more than once in the same process,
the second invocation could fail or produce a wrong result due to a stale
pointer values of the previous run.

Differential Revision: https://reviews.llvm.org/D52506

llvm-svn: 343009

1 files changed, 2 insertions, 2 deletions

diff --git a/lld/ELF/MapFile.cpp b/lld/ELF/MapFile.cpp
index 54fddfb7b29..870705cd142 100644
--- a/lld/ELF/MapFile.cpp
+++ b/lld/ELF/MapFile.cpp
@@ -126,7 +126,7 @@ static void printEhFrame(raw_ostream &OS, OutputSection *OSec) {
   };
 
   // Gather section pieces.
-  for (const CieRecord *Rec : InX::EhFrame->getCieRecords()) {
+  for (const CieRecord *Rec : In.EhFrame->getCieRecords()) {
     Add(*Rec->Cie);
     for (const EhSectionPiece *Fde : Rec->Fdes)
       Add(*Fde);
@@ -181,7 +181,7 @@ void elf::writeMapFile() {
     for (BaseCommand *Base : OSec->SectionCommands) {
       if (auto *ISD = dyn_cast<InputSectionDescription>(Base)) {
         for (InputSection *IS : ISD->Sections) {
-          if (IS == InX::EhFrame) {
+          if (IS == In.EhFrame) {
             printEhFrame(OS, OSec);
             continue;
           }