[JITLink] Include target addend in out-of-range error

When JITLink reports an out-of-range error, the underlying reason could
be hidden from the user if it's due to an excessively large target
addend. Add non-zero target addend to the message for clarity.

Author: maksfb

llvm/lib/ExecutionEngine/JITLink/JITLink.cpp

@@ -427,8 +427,10 @@ Error makeTargetOutOfRangeError(const LinkGraph &G, const Block &B,
     } else
       ErrStream << E.getTarget().getSection().getName() << " + "
                 << formatv("{0:x}", E.getOffset());
-    ErrStream << " at address " << formatv("{0:x}", E.getTarget().getAddress())
-              << " is out of range of " << G.getEdgeKindName(E.getKind())
+    ErrStream << " at address " << formatv("{0:x}", E.getTarget().getAddress());
+    if (E.getAddend())
+      ErrStream << " with addend " << formatv("{0:x}", E.getAddend());
+    ErrStream << " is out of range of " << G.getEdgeKindName(E.getKind())
               << " fixup at " << formatv("{0:x}", B.getFixupAddress(E)) << " (";
 
     Symbol *BestSymbolForBlock = nullptr;

llvm/test/ExecutionEngine/JITLink/x86-64/ELF_R_X86_64_SIZE.s

@@ -7,7 +7,7 @@
 # RUN: llvm-mc -triple=x86_64-unknown-linux -position-independent --defsym=OVERFLOW=1 \
 # RUN:     -filetype=obj -o %t.2.o %s
 # RUN: not llvm-jitlink -noexec %t.2.o 2>&1 | FileCheck %s
-# CHECK: llvm-jitlink error: In graph {{.*}}, section .text: relocation target "main" at address {{.*}} is out of range of Size32 fixup at {{.*}} (main, {{.*}})
+# CHECK: llvm-jitlink error: In graph {{.*}}, section .text: relocation target "main" at address {{.*}} with addend {{.*}} is out of range of Size32 fixup at {{.*}} (main, {{.*}})
 
 	.text
 	.globl	main