Revert "[BOLT][DWARF] Skip processing DWARF CUs with a DWO ID but no DWO name (#154749)"users/paschalis-mpeis/revert-154749

This reverts commit e6540d20cf3f37beb2677360dd9d961cab2abfb9.

It breaks AArch64 Buildbot builders, see:
https://lab.llvm.org/staging/#/builders/219/builds/5476

5 files changed, 4 insertions, 657 deletions

diff --git a/bolt/include/bolt/Core/BinaryContext.h b/bolt/include/bolt/Core/BinaryContext.h
index 082f1ce..72c8817 100644
--- a/bolt/include/bolt/Core/BinaryContext.h
+++ b/bolt/include/bolt/Core/BinaryContext.h
@@ -326,9 +326,6 @@ public:
   /// Returns true if DWARF4 or lower is used.
   bool isDWARFLegacyUsed() const { return ContainsDwarfLegacy; }
 
-  /// Returns true if DWARFUnit is valid.
-  bool isValidDwarfUnit(DWARFUnit &DU) const;
-
   std::map<unsigned, DwarfLineTable> &getDwarfLineTables() {
     return DwarfLineTablesCUMap;
   }
diff --git a/bolt/include/bolt/Core/DIEBuilder.h b/bolt/include/bolt/Core/DIEBuilder.h
index 4c3c277..e4a4fc6 100644
--- a/bolt/include/bolt/Core/DIEBuilder.h
+++ b/bolt/include/bolt/Core/DIEBuilder.h
@@ -217,8 +217,7 @@ private:
                                std::optional<BOLTDWARF5AccelTableData *> Parent,
                                uint32_t NumberParentsInChain);
 
-  /// Returns true if DWARFUnit is registered successfully.
-  bool registerUnit(DWARFUnit &DU, bool NeedSort);
+  void registerUnit(DWARFUnit &DU, bool NeedSort);
 
   /// \return the unique ID of \p U if it exists.
   std::optional<uint32_t> getUnitId(const DWARFUnit &DU);
diff --git a/bolt/lib/Core/BinaryContext.cpp b/bolt/lib/Core/BinaryContext.cpp
index 98440cd..72c72bb 100644
--- a/bolt/lib/Core/BinaryContext.cpp
+++ b/bolt/lib/Core/BinaryContext.cpp
@@ -1624,26 +1624,10 @@ DWARFContext *BinaryContext::getDWOContext() const {
   return &DWOCUs.begin()->second->getContext();
 }
 
-bool BinaryContext::isValidDwarfUnit(DWARFUnit &DU) const {
-  // Invalid DWARF unit with a DWOId but lacking a dwo_name.
-  if (DU.getDWOId() && !DU.isDWOUnit() &&
-      !DU.getUnitDIE().find(
-          {dwarf::DW_AT_dwo_name, dwarf::DW_AT_GNU_dwo_name})) {
-    this->outs() << "BOLT-ERROR: broken DWARF found in CU at offset 0x"
-                 << Twine::utohexstr(DU.getOffset()) << " (DWOId=0x"
-                 << Twine::utohexstr(*(DU.getDWOId()))
-                 << ", missing DW_AT_dwo_name / DW_AT_GNU_dwo_name)\n";
-    return false;
-  }
-  return true;
-}
-
 /// Handles DWO sections that can either be in .o, .dwo or .dwp files.
 void BinaryContext::preprocessDWODebugInfo() {
   for (const std::unique_ptr<DWARFUnit> &CU : DwCtx->compile_units()) {
     DWARFUnit *const DwarfUnit = CU.get();
-    if (!isValidDwarfUnit(*DwarfUnit))
-      continue;
     if (std::optional<uint64_t> DWOId = DwarfUnit->getDWOId()) {
       std::string DWOName = dwarf::toString(
           DwarfUnit->getUnitDIE().find(
diff --git a/bolt/lib/Core/DIEBuilder.cpp b/bolt/lib/Core/DIEBuilder.cpp
index 7ce55f9..b041dc5 100644
--- a/bolt/lib/Core/DIEBuilder.cpp
+++ b/bolt/lib/Core/DIEBuilder.cpp
@@ -584,8 +584,7 @@ DWARFDie DIEBuilder::resolveDIEReference(
   if ((RefCU =
            getUnitForOffset(*this, *DwarfContext, TmpRefOffset, AttrSpec))) {
     /// Trying to add to current working set in case it's cross CU reference.
-    if (!registerUnit(*RefCU, true))
-      return DWARFDie();
+    registerUnit(*RefCU, true);
     DWARFDataExtractor DebugInfoData = RefCU->getDebugInfoExtractor();
     if (DwarfDebugInfoEntry.extractFast(*RefCU, &TmpRefOffset, DebugInfoData,
                                         RefCU->getNextUnitOffset(), 0)) {
@@ -1009,14 +1008,12 @@ static uint64_t getHash(const DWARFUnit &DU) {
   return DU.getOffset();
 }
 
-bool DIEBuilder::registerUnit(DWARFUnit &DU, bool NeedSort) {
-  if (!BC.isValidDwarfUnit(DU))
-    return false;
+void DIEBuilder::registerUnit(DWARFUnit &DU, bool NeedSort) {
   auto IterGlobal = AllProcessed.insert(getHash(DU));
   // If DU is already in a current working set or was already processed we can
   // skip it.
   if (!IterGlobal.second)
-    return true;
+    return;
   if (getState().Type == ProcessingType::DWARF4TUs) {
     getState().DWARF4TUVector.push_back(&DU);
   } else if (getState().Type == ProcessingType::DWARF5TUs) {
@@ -1037,7 +1034,6 @@ bool DIEBuilder::registerUnit(DWARFUnit &DU, bool NeedSort) {
   if (getState().DUList.size() == getState().CloneUnitCtxMap.size())
     getState().CloneUnitCtxMap.emplace_back();
   getState().DUList.push_back(&DU);
-  return true;
 }
 
 std::optional<uint32_t> DIEBuilder::getUnitId(const DWARFUnit &DU) {
diff --git a/bolt/test/X86/dwarf5-dwoid-no-dwoname.s b/bolt/test/X86/dwarf5-dwoid-no-dwoname.s
deleted file mode 100644
index 415d0b8..0000000
--- a/bolt/test/X86/dwarf5-dwoid-no-dwoname.s
+++ /dev/null
@@ -1,629 +0,0 @@
-## Check that DWARF CU with a valid DWOId but missing a dwo_name is correctly detected.
-# RUN: rm -rf %t && mkdir -p %t && cd %t
-# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -split-dwarf-file=main.dwo -o main.o
-# RUN: %clang -O3 -g -gdwarf-5 -gsplit-dwarf -Wl,-q %t/main.o -o main.exe
-# RUN: llvm-bolt %t/main.exe -o %t/main.exe.bolt -update-debug-sections  2>&1 | FileCheck %s --check-prefix=PRECHECK
-# PRECHECK: BOLT-ERROR: broken DWARF found in CU at offset 0x3e (DWOId=0x0, missing DW_AT_dwo_name / DW_AT_GNU_dwo_name)
-
-## Checks that Broken dwarf CU is removed
-# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t/main.exe.bolt | FileCheck %s --check-prefix=POSTCHECK
-# POSTCHECK-LABEL: .debug_info contents:
-# POSTCHECK: DW_TAG_skeleton_unit
-# POSTCHECK-DAG: DW_AT_dwo_name{{.*=.*\.dwo.*}}
-# POSTCHECK: NULL
-# POSTCHECK-NOT: DW_TAG_skeleton_unit
-
-	.text
-	.file	"main.cpp"
-	.section	.rodata.cst16,"aM",@progbits,16
-.LCPI0_0:
-.LCPI0_1:
-.LCPI0_2:
-.LCPI0_3:
-.LCPI0_4:
-.LCPI0_5:
-.LCPI0_6:
-.LCPI0_7:
-.LCPI0_8:
-.LCPI0_9:
-.LCPI0_10:
-	.text
-	.globl	main
-	.type	main,@function
-main:                                   # @main
-.Lfunc_begin0:
-	.file	1 "." "main.cpp" md5 0x8a68374187457ce14ac0c6c2121349a2
-	.loc	1 5 0                           # main.cpp:5:0
-# %bb.0:                                # %vector.ph
-.Ltmp0:
-.Ltmp1:
-.LBB0_1:                                # %vector.body
-.Ltmp2:
-	.file	2 "." "callee.cpp" md5 0x86e19c24983503540b9bb1a6f7bad737
-	.loc	2 8 15 prologue_end             # callee.cpp:8:15
-.Ltmp3:
-	.loc	2 3 15                          # callee.cpp:3:15
-.Ltmp4:
-	.loc	2 8 15                          # callee.cpp:8:15
-.Ltmp5:
-	.loc	2 9 19                          # callee.cpp:9:19
-.Ltmp6:
-	.loc	2 9 13 is_stmt 0                # callee.cpp:9:13
-.Ltmp7:
-	.loc	2 3 15 is_stmt 1                # callee.cpp:3:15
-	.loc	2 3 19 is_stmt 0                # callee.cpp:3:19
-.Ltmp8:
-	.loc	2 4 19 is_stmt 1                # callee.cpp:4:19
-.Ltmp9:
-	.loc	2 4 13 is_stmt 0                # callee.cpp:4:13
-.Ltmp10:
-	.loc	2 4 19                          # callee.cpp:4:19
-.Ltmp11:
-	.loc	2 4 13                          # callee.cpp:4:13
-.Ltmp12:
-	.loc	2 2 12 is_stmt 1                # callee.cpp:2:12
-	.loc	2 2 17 is_stmt 0                # callee.cpp:2:17
-.Ltmp13:
-	.loc	2 4 13 is_stmt 1                # callee.cpp:4:13
-.Ltmp14:
-	.loc	2 0 0 is_stmt 0                 # callee.cpp:0:0
-.Ltmp15:
-	.loc	1 8 13 is_stmt 1                # main.cpp:8:13
-.Ltmp16:
-	.loc	2 0 0 is_stmt 0                 # callee.cpp:0:0
-.Ltmp17:
-	.loc	1 8 13                          # main.cpp:8:13
-.Ltmp18:
-	.loc	1 7 35 is_stmt 1                # main.cpp:7:35
-.Ltmp19:
-# %bb.2:                                # %middle.block
-	.loc	1 7 5 is_stmt 0                 # main.cpp:7:5
-.Ltmp20:
-	.loc	1 11 9 is_stmt 1                # main.cpp:11:9
-.Ltmp21:
-	.loc	1 15 1                          # main.cpp:15:1
-	retq
-.Ltmp22:
-.Lfunc_end0:
-	.size	main, .Lfunc_end0-main
-	.section	.debug_abbrev,"",@progbits
-	.byte	1                               # Abbreviation Code
-	.byte	74                              # DW_TAG_skeleton_unit
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	16                              # DW_AT_stmt_list
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	114                             # DW_AT_str_offsets_base
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	27                              # DW_AT_comp_dir
-	.byte	37                              # DW_FORM_strx1
-	.ascii	"\264B"                         # DW_AT_GNU_pubnames
-	.byte	25                              # DW_FORM_flag_present
-	.byte	118                             # DW_AT_dwo_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	17                              # DW_AT_low_pc
-	.byte	27                              # DW_FORM_addrx
-	.byte	18                              # DW_AT_high_pc
-	.byte	6                               # DW_FORM_data4
-	.byte	115                             # DW_AT_addr_base
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	116                             # DW_AT_rnglists_base
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	2                               # Abbreviation Code
-	.byte	46                              # DW_TAG_subprogram
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	17                              # DW_AT_low_pc
-	.byte	27                              # DW_FORM_addrx
-	.byte	18                              # DW_AT_high_pc
-	.byte	6                               # DW_FORM_data4
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	3                               # Abbreviation Code
-	.byte	29                              # DW_TAG_inlined_subroutine
-	.byte	0                               # DW_CHILDREN_no
-	.byte	49                              # DW_AT_abstract_origin
-	.byte	16                              # DW_FORM_ref_addr
-	.byte	85                              # DW_AT_ranges
-	.byte	35                              # DW_FORM_rnglistx
-	.byte	88                              # DW_AT_call_file
-	.byte	11                              # DW_FORM_data1
-	.byte	89                              # DW_AT_call_line
-	.byte	11                              # DW_FORM_data1
-	.byte	87                              # DW_AT_call_column
-	.byte	11                              # DW_FORM_data1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	4                               # Abbreviation Code
-	.byte	74                              # DW_TAG_skeleton_unit
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	16                              # DW_AT_stmt_list
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	114                             # DW_AT_str_offsets_base
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	27                              # DW_AT_comp_dir
-	.byte	37                              # DW_FORM_strx1
-	.ascii	"\264B"                         # DW_AT_GNU_pubnames
-	.byte	25                              # DW_FORM_flag_present
-	.byte	37                              # DW_AT_producer
-	.byte	37                              # DW_FORM_strx1
-	.byte	19                              # DW_AT_language
-	.byte	5                               # DW_FORM_data2
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	115                             # DW_AT_addr_base
-	.byte	23                              # DW_FORM_sec_offset
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	5                               # Abbreviation Code
-	.byte	46                              # DW_TAG_subprogram
-	.byte	0                               # DW_CHILDREN_no
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	32                              # DW_AT_inline
-	.byte	33                              # DW_FORM_implicit_const
-	.byte	1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	0                               # EOM(3)
-	.section	.debug_info,"",@progbits
-.Lcu_begin0:
-	.long	.Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
-.Ldebug_info_start0:
-	.short	5                               # DWARF version number
-	.byte	4                               # DWARF Unit Type
-	.byte	8                               # Address Size (in bytes)
-	.long	.debug_abbrev                   # Offset Into Abbrev. Section
-	.quad	-1861901018463438211
-	.byte	1                               # Abbrev [1] 0x14:0x2a DW_TAG_skeleton_unit
-	.long	.Lline_table_start0             # DW_AT_stmt_list
-	.long	.Lstr_offsets_base0             # DW_AT_str_offsets_base
-	.byte	0                               # DW_AT_comp_dir
-                                        # DW_AT_GNU_pubnames
-	.byte	3                               # DW_AT_dwo_name
-	.byte	0                               # DW_AT_low_pc
-	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
-	.long	.Laddr_table_base0              # DW_AT_addr_base
-	.long	.Lrnglists_table_base0          # DW_AT_rnglists_base
-	.byte	2                               # Abbrev [2] 0x2c:0x11 DW_TAG_subprogram
-	.byte	0                               # DW_AT_low_pc
-	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
-	.byte	2                               # DW_AT_name
-	.byte	3                               # Abbrev [3] 0x33:0x9 DW_TAG_inlined_subroutine
-	.long	.debug_info+100                 # DW_AT_abstract_origin
-	.byte	0                               # DW_AT_ranges
-	.byte	1                               # DW_AT_call_file
-	.byte	8                               # DW_AT_call_line
-	.byte	16                              # DW_AT_call_column
-	.byte	0                               # End Of Children Mark
-	.byte	0                               # End Of Children Mark
-.Ldebug_info_end0:
-.Lcu_begin1:
-	.long	.Ldebug_info_end1-.Ldebug_info_start1 # Length of Unit
-.Ldebug_info_start1:
-	.short	5                               # DWARF version number
-	.byte	4                               # DWARF Unit Type
-	.byte	8                               # Address Size (in bytes)
-	.long	.debug_abbrev                   # Offset Into Abbrev. Section
-	.quad	0
-	.byte	4                               # Abbrev [4] 0x14:0x15 DW_TAG_skeleton_unit
-	.long	.Lline_table_start0             # DW_AT_stmt_list
-	.long	.Lstr_offsets_base0             # DW_AT_str_offsets_base
-	.byte	0                               # DW_AT_comp_dir
-                                        # DW_AT_GNU_pubnames
-	.byte	4                               # DW_AT_producer
-	.short	33                              # DW_AT_language
-	.byte	5                               # DW_AT_name
-	.long	.Laddr_table_base0              # DW_AT_addr_base
-	.byte	5                               # Abbrev [5] 0x26:0x2 DW_TAG_subprogram
-	.byte	1                               # DW_AT_name
-                                        # DW_AT_inline
-	.byte	0                               # End Of Children Mark
-.Ldebug_info_end1:
-	.section	.debug_rnglists,"",@progbits
-	.long	.Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length
-.Ldebug_list_header_start0:
-	.short	5                               # Version
-	.byte	8                               # Address size
-	.byte	0                               # Segment selector size
-	.long	1                               # Offset entry count
-.Lrnglists_table_base0:
-	.long	.Ldebug_ranges1-.Lrnglists_table_base0
-.Ldebug_ranges1:
-	.byte	4                               # DW_RLE_offset_pair
-	.uleb128 .Ltmp2-.Lfunc_begin0           #   starting offset
-	.uleb128 .Ltmp15-.Lfunc_begin0          #   ending offset
-	.byte	4                               # DW_RLE_offset_pair
-	.uleb128 .Ltmp16-.Lfunc_begin0          #   starting offset
-	.uleb128 .Ltmp17-.Lfunc_begin0          #   ending offset
-	.byte	0                               # DW_RLE_end_of_list
-.Ldebug_list_header_end0:
-	.section	.debug_str_offsets,"",@progbits
-	.long	28                              # Length of String Offsets Set
-	.short	5
-	.short	0
-.Lstr_offsets_base0:
-	.section	.debug_str,"MS",@progbits,1
-.Lskel_string0:
-	.asciz	"." # string offset=0
-.Lskel_string1:
-	.asciz	"hotFunction"                   # string offset=45
-.Lskel_string2:
-	.asciz	"main"                          # string offset=57
-.Lskel_string3:
-	.asciz	"main.dwo"                      # string offset=62
-.Lskel_string4:
-	.asciz	"clang version 16.0.6" # string offset=71
-.Lskel_string5:
-	.asciz	"callee.cpp"                    # string offset=177
-	.section	.debug_str_offsets,"",@progbits
-	.long	.Lskel_string0
-	.long	.Lskel_string1
-	.long	.Lskel_string2
-	.long	.Lskel_string3
-	.long	.Lskel_string4
-	.long	.Lskel_string5
-	.section	.debug_str_offsets.dwo,"e",@progbits
-	.long	56                              # Length of String Offsets Set
-	.short	5
-	.short	0
-	.section	.debug_str.dwo,"eMS",@progbits,1
-.Linfo_string0:
-	.asciz	"_Z11hotFunctioni"              # string offset=0
-.Linfo_string1:
-	.asciz	"hotFunction"                   # string offset=17
-.Linfo_string2:
-	.asciz	"int"                           # string offset=29
-.Linfo_string3:
-	.asciz	"x"                             # string offset=33
-.Linfo_string4:
-	.asciz	"main"                          # string offset=35
-.Linfo_string5:
-	.asciz	"argc"                          # string offset=40
-.Linfo_string6:
-	.asciz	"argv"                          # string offset=45
-.Linfo_string7:
-	.asciz	"char"                          # string offset=50
-.Linfo_string8:
-	.asciz	"sum"                           # string offset=55
-.Linfo_string9:
-	.asciz	"i"                             # string offset=59
-.Linfo_string10:
-	.asciz	"clang version 16.0.6" # string offset=61
-.Linfo_string11:
-	.asciz	"main.cpp"                      # string offset=167
-.Linfo_string12:
-	.asciz	"main.dwo"                      # string offset=176
-	.section	.debug_str_offsets.dwo,"e",@progbits
-	.long	0
-	.long	17
-	.long	29
-	.long	33
-	.long	35
-	.long	40
-	.long	45
-	.long	50
-	.long	55
-	.long	59
-	.long	61
-	.long	167
-	.long	176
-	.section	.debug_info.dwo,"e",@progbits
-	.long	.Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
-.Ldebug_info_dwo_start0:
-	.short	5                               # DWARF version number
-	.byte	5                               # DWARF Unit Type
-	.byte	8                               # Address Size (in bytes)
-	.long	0                               # Offset Into Abbrev. Section
-	.quad	-1861901018463438211
-	.byte	1                               # Abbrev [1] 0x14:0x71 DW_TAG_compile_unit
-	.byte	10                              # DW_AT_producer
-	.short	33                              # DW_AT_language
-	.byte	11                              # DW_AT_name
-	.byte	12                              # DW_AT_dwo_name
-	.byte	2                               # Abbrev [2] 0x1a:0x12 DW_TAG_subprogram
-	.byte	0                               # DW_AT_linkage_name
-	.byte	1                               # DW_AT_name
-	.byte	2                               # DW_AT_decl_file
-	.byte	1                               # DW_AT_decl_line
-	.long	44                              # DW_AT_type
-                                        # DW_AT_external
-                                        # DW_AT_inline
-	.byte	3                               # Abbrev [3] 0x23:0x8 DW_TAG_formal_parameter
-	.byte	3                               # DW_AT_name
-	.byte	2                               # DW_AT_decl_file
-	.byte	1                               # DW_AT_decl_line
-	.long	44                              # DW_AT_type
-	.byte	0                               # End Of Children Mark
-	.byte	4                               # Abbrev [4] 0x2c:0x4 DW_TAG_base_type
-	.byte	2                               # DW_AT_name
-	.byte	5                               # DW_AT_encoding
-	.byte	4                               # DW_AT_byte_size
-	.byte	5                               # Abbrev [5] 0x30:0x46 DW_TAG_subprogram
-	.byte	0                               # DW_AT_low_pc
-	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
-	.byte	1                               # DW_AT_frame_base
-	.byte	87
-                                        # DW_AT_call_all_calls
-	.byte	4                               # DW_AT_name
-	.byte	1                               # DW_AT_decl_file
-	.byte	5                               # DW_AT_decl_line
-	.long	44                              # DW_AT_type
-                                        # DW_AT_external
-	.byte	6                               # Abbrev [6] 0x3f:0xa DW_TAG_formal_parameter
-	.byte	1                               # DW_AT_location
-	.byte	85
-	.byte	5                               # DW_AT_name
-	.byte	1                               # DW_AT_decl_file
-	.byte	5                               # DW_AT_decl_line
-	.long	44                              # DW_AT_type
-	.byte	6                               # Abbrev [6] 0x49:0xa DW_TAG_formal_parameter
-	.byte	1                               # DW_AT_location
-	.byte	84
-	.byte	6                               # DW_AT_name
-	.byte	1                               # DW_AT_decl_file
-	.byte	5                               # DW_AT_decl_line
-	.long	118                             # DW_AT_type
-	.byte	7                               # Abbrev [7] 0x53:0x9 DW_TAG_variable
-	.byte	0                               # DW_AT_const_value
-	.byte	8                               # DW_AT_name
-	.byte	1                               # DW_AT_decl_file
-	.byte	6                               # DW_AT_decl_line
-	.long	44                              # DW_AT_type
-	.byte	8                               # Abbrev [8] 0x5c:0x19 DW_TAG_lexical_block
-	.byte	1                               # DW_AT_low_pc
-	.long	.Ltmp20-.Ltmp2                  # DW_AT_high_pc
-	.byte	7                               # Abbrev [7] 0x62:0x9 DW_TAG_variable
-	.byte	0                               # DW_AT_const_value
-	.byte	9                               # DW_AT_name
-	.byte	1                               # DW_AT_decl_file
-	.byte	7                               # DW_AT_decl_line
-	.long	44                              # DW_AT_type
-	.byte	9                               # Abbrev [9] 0x6b:0x9 DW_TAG_inlined_subroutine
-	.long	26                              # DW_AT_abstract_origin
-	.byte	0                               # DW_AT_ranges
-	.byte	1                               # DW_AT_call_file
-	.byte	8                               # DW_AT_call_line
-	.byte	16                              # DW_AT_call_column
-	.byte	0                               # End Of Children Mark
-	.byte	0                               # End Of Children Mark
-	.byte	10                              # Abbrev [10] 0x76:0x5 DW_TAG_pointer_type
-	.long	123                             # DW_AT_type
-	.byte	10                              # Abbrev [10] 0x7b:0x5 DW_TAG_pointer_type
-	.long	128                             # DW_AT_type
-	.byte	4                               # Abbrev [4] 0x80:0x4 DW_TAG_base_type
-	.byte	7                               # DW_AT_name
-	.byte	6                               # DW_AT_encoding
-	.byte	1                               # DW_AT_byte_size
-	.byte	0                               # End Of Children Mark
-.Ldebug_info_dwo_end0:
-	.section	.debug_abbrev.dwo,"e",@progbits
-	.byte	1                               # Abbreviation Code
-	.byte	17                              # DW_TAG_compile_unit
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	37                              # DW_AT_producer
-	.byte	37                              # DW_FORM_strx1
-	.byte	19                              # DW_AT_language
-	.byte	5                               # DW_FORM_data2
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	118                             # DW_AT_dwo_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	2                               # Abbreviation Code
-	.byte	46                              # DW_TAG_subprogram
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	110                             # DW_AT_linkage_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	58                              # DW_AT_decl_file
-	.byte	11                              # DW_FORM_data1
-	.byte	59                              # DW_AT_decl_line
-	.byte	11                              # DW_FORM_data1
-	.byte	73                              # DW_AT_type
-	.byte	19                              # DW_FORM_ref4
-	.byte	63                              # DW_AT_external
-	.byte	25                              # DW_FORM_flag_present
-	.byte	32                              # DW_AT_inline
-	.byte	33                              # DW_FORM_implicit_const
-	.byte	1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	3                               # Abbreviation Code
-	.byte	5                               # DW_TAG_formal_parameter
-	.byte	0                               # DW_CHILDREN_no
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	58                              # DW_AT_decl_file
-	.byte	11                              # DW_FORM_data1
-	.byte	59                              # DW_AT_decl_line
-	.byte	11                              # DW_FORM_data1
-	.byte	73                              # DW_AT_type
-	.byte	19                              # DW_FORM_ref4
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	4                               # Abbreviation Code
-	.byte	36                              # DW_TAG_base_type
-	.byte	0                               # DW_CHILDREN_no
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	62                              # DW_AT_encoding
-	.byte	11                              # DW_FORM_data1
-	.byte	11                              # DW_AT_byte_size
-	.byte	11                              # DW_FORM_data1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	5                               # Abbreviation Code
-	.byte	46                              # DW_TAG_subprogram
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	17                              # DW_AT_low_pc
-	.byte	27                              # DW_FORM_addrx
-	.byte	18                              # DW_AT_high_pc
-	.byte	6                               # DW_FORM_data4
-	.byte	64                              # DW_AT_frame_base
-	.byte	24                              # DW_FORM_exprloc
-	.byte	122                             # DW_AT_call_all_calls
-	.byte	25                              # DW_FORM_flag_present
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	58                              # DW_AT_decl_file
-	.byte	11                              # DW_FORM_data1
-	.byte	59                              # DW_AT_decl_line
-	.byte	11                              # DW_FORM_data1
-	.byte	73                              # DW_AT_type
-	.byte	19                              # DW_FORM_ref4
-	.byte	63                              # DW_AT_external
-	.byte	25                              # DW_FORM_flag_present
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	6                               # Abbreviation Code
-	.byte	5                               # DW_TAG_formal_parameter
-	.byte	0                               # DW_CHILDREN_no
-	.byte	2                               # DW_AT_location
-	.byte	24                              # DW_FORM_exprloc
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	58                              # DW_AT_decl_file
-	.byte	11                              # DW_FORM_data1
-	.byte	59                              # DW_AT_decl_line
-	.byte	11                              # DW_FORM_data1
-	.byte	73                              # DW_AT_type
-	.byte	19                              # DW_FORM_ref4
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	7                               # Abbreviation Code
-	.byte	52                              # DW_TAG_variable
-	.byte	0                               # DW_CHILDREN_no
-	.byte	28                              # DW_AT_const_value
-	.byte	13                              # DW_FORM_sdata
-	.byte	3                               # DW_AT_name
-	.byte	37                              # DW_FORM_strx1
-	.byte	58                              # DW_AT_decl_file
-	.byte	11                              # DW_FORM_data1
-	.byte	59                              # DW_AT_decl_line
-	.byte	11                              # DW_FORM_data1
-	.byte	73                              # DW_AT_type
-	.byte	19                              # DW_FORM_ref4
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	8                               # Abbreviation Code
-	.byte	11                              # DW_TAG_lexical_block
-	.byte	1                               # DW_CHILDREN_yes
-	.byte	17                              # DW_AT_low_pc
-	.byte	27                              # DW_FORM_addrx
-	.byte	18                              # DW_AT_high_pc
-	.byte	6                               # DW_FORM_data4
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	9                               # Abbreviation Code
-	.byte	29                              # DW_TAG_inlined_subroutine
-	.byte	0                               # DW_CHILDREN_no
-	.byte	49                              # DW_AT_abstract_origin
-	.byte	19                              # DW_FORM_ref4
-	.byte	85                              # DW_AT_ranges
-	.byte	35                              # DW_FORM_rnglistx
-	.byte	88                              # DW_AT_call_file
-	.byte	11                              # DW_FORM_data1
-	.byte	89                              # DW_AT_call_line
-	.byte	11                              # DW_FORM_data1
-	.byte	87                              # DW_AT_call_column
-	.byte	11                              # DW_FORM_data1
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	10                              # Abbreviation Code
-	.byte	15                              # DW_TAG_pointer_type
-	.byte	0                               # DW_CHILDREN_no
-	.byte	73                              # DW_AT_type
-	.byte	19                              # DW_FORM_ref4
-	.byte	0                               # EOM(1)
-	.byte	0                               # EOM(2)
-	.byte	0                               # EOM(3)
-	.section	.debug_rnglists.dwo,"e",@progbits
-	.long	.Ldebug_list_header_end1-.Ldebug_list_header_start1 # Length
-.Ldebug_list_header_start1:
-	.short	5                               # Version
-	.byte	8                               # Address size
-	.byte	0                               # Segment selector size
-	.long	1                               # Offset entry count
-.Lrnglists_dwo_table_base0:
-	.long	.Ldebug_ranges0-.Lrnglists_dwo_table_base0
-.Ldebug_ranges0:
-	.byte	4                               # DW_RLE_offset_pair
-	.uleb128 .Ltmp2-.Lfunc_begin0           #   starting offset
-	.uleb128 .Ltmp15-.Lfunc_begin0          #   ending offset
-	.byte	4                               # DW_RLE_offset_pair
-	.uleb128 .Ltmp16-.Lfunc_begin0          #   starting offset
-	.uleb128 .Ltmp17-.Lfunc_begin0          #   ending offset
-	.byte	0                               # DW_RLE_end_of_list
-.Ldebug_list_header_end1:
-	.section	.debug_addr,"",@progbits
-	.long	.Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
-.Ldebug_addr_start0:
-	.short	5                               # DWARF version number
-	.byte	8                               # Address size
-	.byte	0                               # Segment selector size
-.Laddr_table_base0:
-	.quad	.Lfunc_begin0
-	.quad	.Ltmp2
-.Ldebug_addr_end0:
-	.section	.debug_gnu_pubnames,"",@progbits
-	.long	.LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
-.LpubNames_start0:
-	.short	2                               # DWARF Version
-	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
-	.long	62                              # Compilation Unit Length
-	.long	26                              # DIE offset
-	.byte	48                              # Attributes: FUNCTION, EXTERNAL
-	.asciz	"hotFunction"                   # External Name
-	.long	48                              # DIE offset
-	.byte	48                              # Attributes: FUNCTION, EXTERNAL
-	.asciz	"main"                          # External Name
-	.long	0                               # End Mark
-.LpubNames_end0:
-	.section	.debug_gnu_pubtypes,"",@progbits
-	.long	.LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
-.LpubTypes_start0:
-	.short	2                               # DWARF Version
-	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
-	.long	62                              # Compilation Unit Length
-	.long	44                              # DIE offset
-	.byte	144                             # Attributes: TYPE, STATIC
-	.asciz	"int"                           # External Name
-	.long	128                             # DIE offset
-	.byte	144                             # Attributes: TYPE, STATIC
-	.asciz	"char"                          # External Name
-	.long	0                               # End Mark
-.LpubTypes_end0:
-	.section	.debug_gnu_pubnames,"",@progbits
-	.long	.LpubNames_end1-.LpubNames_start1 # Length of Public Names Info
-.LpubNames_start1:
-	.short	2                               # DWARF Version
-	.long	.Lcu_begin1                     # Offset of Compilation Unit Info
-	.long	41                              # Compilation Unit Length
-	.long	0                               # End Mark
-.LpubNames_end1:
-	.section	.debug_gnu_pubtypes,"",@progbits
-	.long	.LpubTypes_end1-.LpubTypes_start1 # Length of Public Types Info
-.LpubTypes_start1:
-	.short	2                               # DWARF Version
-	.long	.Lcu_begin1                     # Offset of Compilation Unit Info
-	.long	41                              # Compilation Unit Length
-	.long	0                               # End Mark
-.LpubTypes_end1:
-	.ident	"clang version 16.0.6"
-	.ident	"clang version 16.0.6"
-	.section	.GCC.command.line,"MS",@progbits,1
-	.zero	1
-	.ascii	""
-	.zero	1
-	.ascii	""
-	.zero	1
-	.section	.debug_gnu_pubtypes,"",@progbits
-	.section	".note.GNU-stack","",@progbits
-	.addrsig
-	.section	.debug_line,"",@progbits
-.Lline_table_start0: