Fix header location with PHDR.

We were not subtracting its size, causing it to overlap with section
data.

Fixes PR34750.

llvm-svn: 314440
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index e72a20d..6fc3875 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -752,8 +752,7 @@
   // unless there's a space for them.
   uint64_t Base = Opt.HasSections ? alignDown(Min, Config->MaxPageSize) : 0;
   if (HeaderSize <= Min - Base || Script->hasPhdrsCommands()) {
-    Min = Opt.HasSections ? Base
-                          : alignDown(Min - HeaderSize, Config->MaxPageSize);
+    Min = alignDown(Min - HeaderSize, Config->MaxPageSize);
     Out::ElfHeader->Addr = Min;
     Out::ProgramHeaders->Addr = Min + Out::ElfHeader->Size;
     return;