Index: ELF/InputFiles.cpp
===================================================================
--- ELF/InputFiles.cpp
+++ ELF/InputFiles.cpp
@@ -764,12 +764,12 @@
   unsigned char Endian;
   std::tie(Size, Endian) = getElfArchType(MB.getBuffer());
   if (Endian != ELFDATA2LSB && Endian != ELFDATA2MSB)
-    fatal("invalid data encoding: " + MB.getBufferIdentifier());
+    fatal(MB.getBufferIdentifier() + ": invalid data encoding");
 
   size_t BufSize = MB.getBuffer().size();
   if ((Size == ELFCLASS32 && BufSize < sizeof(Elf32_Ehdr)) ||
       (Size == ELFCLASS64 && BufSize < sizeof(Elf64_Ehdr)))
-    fatal("file is too short");
+    fatal(MB.getBufferIdentifier() + ": file is too short");
 
   InputFile *Obj;
   if (Size == ELFCLASS32 && Endian == ELFDATA2LSB)
@@ -781,7 +781,7 @@
   else if (Size == ELFCLASS64 && Endian == ELFDATA2MSB)
     Obj = make<T<ELF64BE>>(MB);
   else
-    fatal("invalid file class: " + MB.getBufferIdentifier());
+    fatal(MB.getBufferIdentifier() + ": invalid file class");
 
   if (!Config->FirstElf)
     Config->FirstElf = Obj;
Index: ELF/InputSection.cpp
===================================================================
--- ELF/InputSection.cpp
+++ ELF/InputSection.cpp
@@ -15,6 +15,7 @@
 #include "LinkerScript.h"
 #include "Memory.h"
 #include "OutputSections.h"
+#include "Relocations.h"
 #include "SyntheticSections.h"
 #include "Target.h"
 #include "Thunks.h"
@@ -97,7 +98,7 @@
 
 // Returns a string for an error message.
 template <class SectionT> static std::string getName(SectionT *Sec) {
-  return (Sec->getFile()->getName() + "(" + Sec->Name + ")").str();
+  return (Sec->getFile()->getName() + ":(" + Sec->Name + ")").str();
 }
 
 template <class ELFT>
@@ -455,7 +456,7 @@
 
     SymbolBody &Sym = this->File->getRelocTargetSym(Rel);
     if (Target->getRelExpr(Type, Sym) != R_ABS) {
-      error(getName(this) + " has non-ABS reloc");
+      error(getLocation(*this, Offset) + ": has non-ABS reloc");
       return;
     }
 
Index: ELF/LTO.cpp
===================================================================
--- ELF/LTO.cpp
+++ ELF/LTO.cpp
@@ -104,7 +104,7 @@
 void BitcodeCompiler::add(BitcodeFile &F) {
   lto::InputFile &Obj = *F.Obj;
   if (Obj.getDataLayoutStr().empty())
-    fatal("invalid bitcode file: " + F.getName() + " has no datalayout");
+    fatal(F.getName() + ": is invlid - no datalayout");
 
   unsigned SymNum = 0;
   std::vector<Symbol *> Syms = F.getSymbols();
Index: test/ELF/invalid/invalid-elf.test
===================================================================
--- test/ELF/invalid/invalid-elf.test
+++ test/ELF/invalid/invalid-elf.test
@@ -2,11 +2,11 @@
 
 # RUN: not ld.lld %t %p/Inputs/data-encoding.a -o %t2 2>&1 | \
 # RUN:   FileCheck --check-prefix=INVALID-DATA-ENC %s
-# INVALID-DATA-ENC: invalid data encoding: test.o
+# INVALID-DATA-ENC: test.o: invalid data encoding
 
 # RUN: not ld.lld %t %p/Inputs/file-class.a -o %t2 2>&1 | \
 # RUN:   FileCheck --check-prefix=INVALID-FILE-CLASS %s
-# INVALID-FILE-CLASS: invalid file class: test.o
+# INVALID-FILE-CLASS: test.o: invalid file class
 
 # RUN: not ld.lld %p/Inputs/symtab-sh_info.elf -o %t2 2>&1 | \
 # RUN:   FileCheck --check-prefix=INVALID-SYMTAB-SHINFO %s
Index: test/ELF/lto/invalid-bitcode.ll
===================================================================
--- test/ELF/lto/invalid-bitcode.ll
+++ test/ELF/lto/invalid-bitcode.ll
@@ -2,7 +2,7 @@
 ; RUN: llvm-as %s -o %t.o
 ; RUN: not ld.lld -m elf_x86_64 %t.o 2>&1 | FileCheck %s
 
-; CHECK: invalid bitcode file:
+; CHECK: {{.*}}: is invalid - no datalayout
 
 ; This bitcode file has no datalayout.
 target triple = "x86_64-unknown-linux-gnu"
Index: test/ELF/merge-string-error.s
===================================================================
--- test/ELF/merge-string-error.s
+++ test/ELF/merge-string-error.s
@@ -8,4 +8,4 @@
         .data
         .long .rodata.str1.1 + 4
 
-// CHECK: merge-string-error.s.tmp.o(.rodata.str1.1): entry is past the end of the section
+// CHECK: merge-string-error.s.tmp.o:(.rodata.str1.1): entry is past the end of the section
Index: test/ELF/non-abs-reloc.s
===================================================================
--- test/ELF/non-abs-reloc.s
+++ test/ELF/non-abs-reloc.s
@@ -0,0 +1,11 @@
+// REQUIRES: x86
+// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+// RUN: not ld.lld %t.o -o %t.so -shared 2>&1 | FileCheck %s
+// CHECK: {{.*}}:(.dummy+0x0): has non-ABS reloc
+
+.globl _start
+_start:
+  nop
+
+.section .dummy
+  .long foo@gotpcrel
Index: test/ELF/relocation-past-merge-end.s
===================================================================
--- test/ELF/relocation-past-merge-end.s
+++ test/ELF/relocation-past-merge-end.s
@@ -1,7 +1,7 @@
 // REQUIRES: x86
 // RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-pc-linux
 // RUN: not ld.lld %t.o -o %t.so -shared 2>&1 | FileCheck %s
-// CHECK: relocation-past-merge-end.s.tmp.o(.foo): entry is past the end of the section
+// CHECK: relocation-past-merge-end.s.tmp.o:(.foo): entry is past the end of the section
 
 .data
 .long .foo + 10