diff --git a/llvm/lib/ObjectYAML/DWARFEmitter.cpp b/llvm/lib/ObjectYAML/DWARFEmitter.cpp
--- a/llvm/lib/ObjectYAML/DWARFEmitter.cpp
+++ b/llvm/lib/ObjectYAML/DWARFEmitter.cpp
@@ -111,6 +111,10 @@
     encodeULEB128(0, OS);
   }
 
+  // The abbreviations for a given compilation unit end with an entry consisting
+  // of a 0 byte for the abbreviation code.
+  OS.write_zeros(1);
+
   return Error::success();
 }
 
diff --git a/llvm/test/ObjectYAML/MachO/DWARF2-AddrSize8-FormValues.yaml b/llvm/test/ObjectYAML/MachO/DWARF2-AddrSize8-FormValues.yaml
--- a/llvm/test/ObjectYAML/MachO/DWARF2-AddrSize8-FormValues.yaml
+++ b/llvm/test/ObjectYAML/MachO/DWARF2-AddrSize8-FormValues.yaml
@@ -204,7 +204,7 @@
       - sectname:        __debug_abbrev
         segname:         __DWARF
         addr:            0x000000010000312C
-        size:            84
+        size:            86
         offset:          0x00002167
         align:           0
         reloff:          0x00000000
@@ -217,7 +217,7 @@
         segname:         __DWARF
         addr:            0x0000000100003178
         size:            83
-        offset:          0x000021BB
+        offset:          0x000021BC
         align:           0
         reloff:          0x00000000
         nreloc:          0
diff --git a/llvm/test/tools/yaml2obj/ELF/DWARF/debug-abbrev.yaml b/llvm/test/tools/yaml2obj/ELF/DWARF/debug-abbrev.yaml
--- a/llvm/test/tools/yaml2obj/ELF/DWARF/debug-abbrev.yaml
+++ b/llvm/test/tools/yaml2obj/ELF/DWARF/debug-abbrev.yaml
@@ -4,7 +4,7 @@
 
 # RUN: yaml2obj --docnum=1 %s -o %t1.o
 # RUN: llvm-readobj --sections --section-data %t1.o | \
-# RUN:   FileCheck -DSIZE=38 -DADDRALIGN=1 %s --check-prefixes=SHDR,CONTENT
+# RUN:   FileCheck -DSIZE=39 -DADDRALIGN=1 %s --check-prefixes=SHDR,CONTENT
 
 #         SHDR: Index: 1
 #    SHDR-NEXT: Name: .debug_abbrev (1)
@@ -42,8 +42,9 @@
 ##                        ^---   Form: invalid       ULEB128 (0x81)   ^---   Attribute: reserved    ULEB128 (0x2020)
 ##                            ^- Attribute: reserved ULEB128              ^- DW_FORM_implicit_const ULEB128
 ##
-# CONTENT-NEXT:   0020: CEC2F105                                    0000     |......|
-##                      ^------- Value SLEB128 (12345678)           ^---     terminating entry
+# CONTENT-NEXT:   0020: CEC2F105                                    000000   |.......|
+##                      ^------- Value SLEB128 (12345678)           ^---     terminating entry for attributes.
+##                                                                      ^-   terminating entry for abbreviations.
 # CONTENT-NEXT: )
 
 --- !ELF
@@ -186,8 +187,8 @@
 # RUN: llvm-readelf --sections %t6.o | FileCheck %s --check-prefix=OVERRIDDEN
 
 #      OVERRIDDEN: [Nr] Name          Type   Address          Off    Size   ES Flg Lk Inf Al
-#      OVERRIDDEN: [ 1] .debug_abbrev STRTAB 0000000000002020 000050 000005 01   A  2   1  2
-# OVERRIDDEN-NEXT: [ 2] .sec          STRTAB 0000000000000000 000055 000000 00      0   0  0
+#      OVERRIDDEN: [ 1] .debug_abbrev STRTAB 0000000000002020 000050 000006 01   A  2   1  2
+# OVERRIDDEN-NEXT: [ 2] .sec          STRTAB 0000000000000000 000056 000000 00      0   0  0
 
 --- !ELF
 FileHeader:
@@ -205,7 +206,7 @@
     AddressAlign: 2           ## 0 by default.
     Address:      0x2020      ## 0x00 by default.
     Offset:       0x50        ## 0x40 for the first section.
-    Size:         0x05        ## Set the "Size" so that we can reuse the check tag "OVERRIDDEN".
+    Size:         0x06        ## Set the "Size" so that we can reuse the check tag "OVERRIDDEN".
   - Name:         .sec        ## Linked by .debug_abbrev.
     Type:         SHT_STRTAB
 
diff --git a/llvm/test/tools/yaml2obj/ELF/DWARF/debug-info.yaml b/llvm/test/tools/yaml2obj/ELF/DWARF/debug-info.yaml
--- a/llvm/test/tools/yaml2obj/ELF/DWARF/debug-info.yaml
+++ b/llvm/test/tools/yaml2obj/ELF/DWARF/debug-info.yaml
@@ -6,7 +6,7 @@
 
 # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2LSB %s -o %t1.le.o
 # RUN: llvm-readobj --sections --section-data %t1.le.o | \
-# RUN:   FileCheck -DINDEX=2 -DNAME=15 -DOFFSET=0x9A -DSIZE=171 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-LE-CONTENT
+# RUN:   FileCheck -DINDEX=2 -DNAME=15 -DOFFSET=0x9B -DSIZE=171 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-LE-CONTENT
 
 #                    SHDR: Index: [[INDEX]]
 #               SHDR-NEXT: Name: .debug_info ([[NAME]])
@@ -287,7 +287,7 @@
 
 # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2MSB %s -o %t1.be.o
 # RUN: llvm-readobj --sections --section-data %t1.be.o | \
-# RUN:   FileCheck -DINDEX=2 -DNAME=15 -DOFFSET=0x9A -DSIZE=171 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-BE-CONTENT
+# RUN:   FileCheck -DINDEX=2 -DNAME=15 -DOFFSET=0x9B -DSIZE=171 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-BE-CONTENT
 
 # DWARF32-BE-CONTENT-NEXT: SectionData (
 # DWARF32-BE-CONTENT-NEXT:   0000: 00001234 00050204 00001234 01123456