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diff --git a/llvm/test/DebugInfo/X86/dwarfdump-str-offsets-invalid-4.s b/llvm/test/DebugInfo/X86/dwarfdump-str-offsets-invalid-4.s
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+# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
+# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=INVALIDLENGTH %s
+#
+# Test object to verify that llvm-dwarfdump handles an invalid string offsets
+# table.
+
+ .section .debug_str,"MS",@progbits,1
+str_producer:
+ .asciz "Handmade DWARF producer"
+str_CU1:
+ .asciz "Compile_Unit_1"
+
+# A rudimentary abbrev section.
+ .section .debug_abbrev,"",@progbits
+ .byte 0x01 # Abbrev code
+ .byte 0x11 # DW_TAG_compile_unit
+ .byte 0x00 # DW_CHILDREN_no
+ .byte 0x00 # EOM(1)
+ .byte 0x00 # EOM(2)
+ .byte 0x00 # EOM(3)
+
+# A rudimentary compile unit to convince dwarfdump that we are dealing with a
+# DWARF v5 string offsets table.
+ .section .debug_info,"",@progbits
+
+# DWARF v5 CU header.
+ .long CU1_5_end-CU1_5_version # Length of Unit
+CU1_5_version:
+ .short 5 # DWARF version number
+ .byte 1 # DWARF Unit Type
+ .byte 8 # Address Size (in bytes)
+ .long .debug_abbrev # Offset Into Abbrev. Section
+# A compile-unit DIE, which has no attributes.
+ .byte 1 # Abbreviation code
+CU1_5_end:
+
+# Every unit contributes to the string_offsets table.
+ .section .debug_str_offsets,"",@progbits
+# CU1's contribution
+# The length is not a multiple of 4. Check that we don't read off the
+# end.
+ .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
+ .short 5 # DWARF version
+ .short 0 # Padding
+.debug_str_offsets_base0:
+ .long str_producer
+ .long str_CU1
+ .byte 0
+.debug_str_offsets_segment0_end:
+
+# INVALIDLENGTH: .debug_str_offsets contents:
+# INVALIDLENGTH-NOT: contents:
+# INVALIDLENGTH: error: contribution to string offsets table in section .debug_str_offsets has invalid length.
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