[DebugInfo] Add new test

Author: bulbazord

llvm/test/tools/llvm-dwp/X86/cu_tu_units_manual_v5_invalid.s

@@ -0,0 +1,75 @@
+# This test checks that llvm-dwarfdump correctly reports errors when parsing
+# DWARF Unit Headers in DWP files
+
+# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o \
+# RUN:         -split-dwarf-file=%t.dwo -dwarf-version=5
+# RUN: llvm-dwp %t.dwo -o %t.dwp
+# RUN: llvm-dwarfdump -debug-info -debug-cu-index -debug-tu-index \
+# RUN:                -manaully-generate-unit-index %t.dwp 2>&1 | FileCheck %s
+
+## Note: In order to check whether the type unit index is generated
+## there is no need to add the missing DIEs for the structure type of the type unit.
+
+# CHECK-NOT: .debug_info.dwo contents:
+
+# CHECK-DAG: .debug_cu_index contents:
+# CHECK: Failed to parse CU header in DWP file
+# CHECK-NEXT: DWARF unit at offset 0x00000000 has unsupported version 6, supported are 2-5
+
+# CHECK-DAG: .debug_tu_index contents:
+# CHECK: Failed to parse CU header in DWP file
+# CHECK-NEXT: DWARF unit at offset 0x00000000 has unsupported version 6, supported are 2-5
+
+    .section	.debug_info.dwo,"e",@progbits
+    .long	.Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
+.Ldebug_info_dwo_start0:
+    .short	6                               # DWARF version number
+    .byte	6                               # DWARF Unit Type (DW_UT_split_type)
+    .byte	8                               # Address Size (in bytes)
+    .long	0                               # Offset Into Abbrev. Section
+    .quad	5657452045627120676             # Type Signature
+    .long	25                              # Type DIE Offset
+    .byte	2                               # Abbrev [2] DW_TAG_type_unit
+    .byte	3                               # Abbrev [3] DW_TAG_structure_type
+    .byte	0                               # End Of Children Mark
+.Ldebug_info_dwo_end0:
+    .section	.debug_info.dwo,"e",@progbits
+    .long	.Ldebug_info_dwo_end1-.Ldebug_info_dwo_start1 # Length of Unit
+.Ldebug_info_dwo_start1:
+    .short	6                               # DWARF version number
+    .byte	6                               # DWARF Unit Type (DW_UT_split_type)
+    .byte	8                               # Address Size (in bytes)
+    .long	0                               # Offset Into Abbrev. Section
+    .quad	-8528522068957683993            # Type Signature
+    .long	25                              # Type DIE Offset
+    .byte	4                               # Abbrev [4] DW_TAG_type_unit
+    .byte	5                               # Abbrev [5] DW_TAG_structure_type
+    .byte	0                               # End Of Children Mark
+.Ldebug_info_dwo_end1:
+    .section	.debug_info.dwo,"e",@progbits
+    .long	.Ldebug_info_dwo_end2-.Ldebug_info_dwo_start2 # Length of Unit
+.Ldebug_info_dwo_start2:
+    .short	6                               # DWARF version number
+    .byte	5                               # DWARF Unit Type (DW_UT_split_compile)
+    .byte	8                               # Address Size (in bytes)
+    .long	0                               # Offset Into Abbrev. Section
+    .quad	1152943841751211454
+    .byte	1                               # Abbrev [1] DW_TAG_compile_unit
+.Ldebug_info_dwo_end2:
+    .section	.debug_abbrev.dwo,"e",@progbits
+    .byte	1                               # Abbreviation Code
+    .byte	17                              # DW_TAG_compile_unit
+    .byte	0                               # DW_CHILDREN_no
+    .byte	0                               # EOM(1)
+    .byte	0                               # EOM(2)
+    .byte	2                               # Abbreviation Code
+    .byte	65                              # DW_TAG_type_unit
+    .byte	1                               # DW_CHILDREN_yes
+    .byte	0                               # EOM
+    .byte	0                               # EOM
+    .byte	4                               # Abbreviation Code
+    .byte	65                              # DW_TAG_type_unit
+    .byte	1                               # DW_CHILDREN_yes
+    .byte	0                               # EOM
+    .byte	0                               # EOM
+    .byte	0                               # EOM