From ff51abcc524216c928cf97d3453691108bb24d9a Mon Sep 17 00:00:00 2001
From: Denis Protivensky <dprotivensky@accesssoftek.com>
Date: Thu, 2 Apr 2015 07:03:44 +0000
Subject: [PATCH] [ARM] Report fatal error for wrong ARM entry point

The case is possible with wrong input, so report
an error instead of using llvm_unreachable.

llvm-svn: 233899
---
 lld/lib/ReaderWriter/ELF/ARM/ARMExecutableWriter.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lld/lib/ReaderWriter/ELF/ARM/ARMExecutableWriter.h b/lld/lib/ReaderWriter/ELF/ARM/ARMExecutableWriter.h
index 3ccb519d37b9..e6210cc638b6 100644
--- a/lld/lib/ReaderWriter/ELF/ARM/ARMExecutableWriter.h
+++ b/lld/lib/ReaderWriter/ELF/ARM/ARMExecutableWriter.h
@@ -111,8 +111,10 @@ std::error_code ARMExecutableWriter<ELFT>::setELFHeader() {
     if (const auto *ea = dyn_cast<DefinedAtom>(al->_atom)) {
       switch (ea->codeModel()) {
       case DefinedAtom::codeNA:
-        if (al->_virtualAddr & 0x3)
-          llvm_unreachable("Two least bits must be zero for ARM entry point");
+        if (al->_virtualAddr & 0x3) {
+          llvm::report_fatal_error(
+              "Two least bits must be zero for ARM entry point");
+        }
       break;
       case DefinedAtom::codeARMThumb:
         // Fixup entry point for Thumb code.