[PATCH] [lld][ELF][ARM] Implement static (initial exec) TLS model

[Rui Ueyama]

LGTM


================
Comment at: lib/ReaderWriter/ELF/ARM/ARMRelocationPass.cpp:207
@@ +206,3 @@
+      const_cast<Reference &>(ref).setTarget(
+          static_cast<Derived *>(this)->getTLSTPOFF32(target));
+    } else {
----------------
I guess early return is preferred. You can return std::error_code() here so that you can remove "else" below.

================
Comment at: lib/ReaderWriter/ELF/ARM/ARMTargetHandler.h:37
@@ +36,3 @@
+
+    for (const auto &phdr : *this->_programHeader)
+      if (phdr->p_type == llvm::ELF::PT_TLS) {
----------------
Can you add braces after this for?

http://reviews.llvm.org/D8353

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