diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -3701,7 +3701,9 @@
         }
       }
 
-      if (attr == DW_AT_low_pc)
+      // Second DW_AT_low_pc may come from DW_TAG_subprogram referenced by
+      // DW_TAG_GNU_call_site's DW_AT_abstract_origin.
+      if (attr == DW_AT_low_pc && low_pc == LLDB_INVALID_ADDRESS)
         low_pc = form_value.Address();
 
       // Extract DW_AT_call_return_pc (the PC the call returns to) if it's
diff --git a/lldb/test/Shell/SymbolFile/DWARF/DW_TAG_GNU_call_site-DW_AT_low_pc.s b/lldb/test/Shell/SymbolFile/DWARF/DW_TAG_GNU_call_site-DW_AT_low_pc.s
new file mode 100644
--- /dev/null
+++ b/lldb/test/Shell/SymbolFile/DWARF/DW_TAG_GNU_call_site-DW_AT_low_pc.s
@@ -0,0 +1,243 @@
+# This tests that lldb is compatible with DWARF-4 entry values GNU extension.
+
+# REQUIRES: target-x86_64, system-linux, lld
+
+# RUN: %clang_host -o %t %s
+# RUN: %lldb %t -o 'b 6' -o r -o 'p p' -o exit | FileCheck %s
+
+# CHECK: (int) $0 = 1
+
+# The DWARF has been produced and modified from:
+# static __attribute__((noinline, noclone)) void b(int x) {
+#   asm("");
+# }
+# static __attribute__((noinline, noclone)) void a(int p) {
+#   b(2);
+# }
+# int main() {
+#   a(1);
+#   return 0;
+# }
+
+	.file	"DW_TAG_GNU_call_site-DW_AT_low_pc.c"
+	.text
+.Ltext0:
+	.type	b, @function
+b:
+.LVL0:
+.LFB0:
+	.file 1 "DW_TAG_GNU_call_site-DW_AT_low_pc.c"
+	.loc 1 1 57
+	.cfi_startproc
+	.loc 1 2 3
+	.loc 1 3 1 is_stmt 0
+	ret
+	.cfi_endproc
+.LFE0:
+	.size	b, .-b
+	.type	a, @function
+a:
+.LVL1:
+.LFB1:
+	.loc 1 4 57 is_stmt 1
+	.cfi_startproc
+	.loc 1 5 3
+	movl	$2, %edi
+.LVL2:
+	.loc 1 5 3 is_stmt 0
+	call	b
+.LVL3:
+	.loc 1 6 1
+	ret
+	.cfi_endproc
+.LFE1:
+	.size	a, .-a
+	.globl	main
+	.type	main, @function
+main:
+.LFB2:
+	.loc 1 7 12 is_stmt 1
+	.cfi_startproc
+	.loc 1 8 3
+	movl	$1, %edi
+	call	a
+.LVL4:
+	.loc 1 9 3
+	.loc 1 10 1 is_stmt 0
+	movl	$0, %eax
+	ret
+	.cfi_endproc
+.LFE2:
+	.size	main, .-main
+.Letext0:
+	.section	.debug_info,"",@progbits
+.Ldebug_info0:
+	.long	.Ldebuginfo_end - .Ldebuginfo_start	# Length of Compilation Unit Info
+.Ldebuginfo_start:
+	.value	0x4	# DWARF version number
+	.long	.Ldebug_abbrev0	# Offset Into Abbrev. Section
+	.byte	0x8	# Pointer Size (in bytes)
+	.uleb128 0x1	# (DIE (0xb) DW_TAG_compile_unit)
+	.asciz "GNU C17 10.1.1 20200507 (Red Hat 10.1.1-1) -mtune=generic -march=x86-64 -g -Og"	# DW_AT_producer: "GNU C17 10.1.1 20200507 (Red Hat 10.1.1-1) -mtune=generic -march=x86-64 -g -Og"
+	.byte	0xc	# DW_AT_language
+	.asciz "DW_TAG_GNU_call_site-DW_AT_low_pc.c"	# DW_AT_name
+	.asciz ""	# DW_AT_comp_dir: "/home/jkratoch/t"
+	.quad	.Ltext0	# DW_AT_low_pc
+	.quad	.Letext0-.Ltext0	# DW_AT_high_pc
+	.long	.Ldebug_line0	# DW_AT_stmt_list
+	.uleb128 0x2	# (DIE (0x2d) DW_TAG_subprogram)
+			# DW_AT_external
+	.asciz "main"	# DW_AT_name: "main"
+	.long	.Ltype_int	# DW_AT_type
+	.quad	.LFB2	# DW_AT_low_pc
+	.quad	.LFE2-.LFB2	# DW_AT_high_pc
+	.uleb128 0x1	# DW_AT_frame_base
+	.byte	0x9c	# DW_OP_call_frame_cfa
+			# DW_AT_GNU_all_call_sites
+	.uleb128 0x3	# (DIE (0x4f) DW_TAG_GNU_call_site)
+	.quad	.LVL4	# DW_AT_low_pc
+	.long	.Lfunc_a	# DW_AT_abstract_origin
+	.uleb128 0x4	# (DIE (0x5c) DW_TAG_GNU_call_site_parameter)
+	.uleb128 0x1	# DW_AT_location
+	.byte	0x55	# DW_OP_reg5
+	.uleb128 0x1	# DW_AT_GNU_call_site_value
+	.byte	0x31	# DW_OP_lit1
+	.byte	0	# end of children of DIE 0x4f
+	.byte	0	# end of children of DIE 0x2d
+.Ltype_int:
+	.uleb128 0x5	# (DIE (0x63) DW_TAG_base_type)
+	.byte	0x4	# DW_AT_byte_size
+	.byte	0x5	# DW_AT_encoding
+	.asciz "int"	# DW_AT_name
+.Lfunc_a:
+	.uleb128 0x6	# (DIE (0x6a) DW_TAG_subprogram)
+	.asciz "a"	# DW_AT_name
+			# DW_AT_prototyped
+	.quad	.LFB1	# DW_AT_low_pc
+	.quad	.LFE1-.LFB1	# DW_AT_high_pc
+	.uleb128 0x1	# DW_AT_frame_base
+	.byte	0x9c	# DW_OP_call_frame_cfa
+			# DW_AT_GNU_all_call_sites
+	.uleb128 0x7	# (DIE (0x86) DW_TAG_formal_parameter)
+	.asciz "p"	# DW_AT_name
+	.long	.Ltype_int	# DW_AT_type
+	.long	.LLST0	# DW_AT_location
+	.byte	0	# end of children of DIE 0x6a
+	.byte	0	# end of children of DIE 0xb
+.Ldebuginfo_end:
+	.section	.debug_abbrev,"",@progbits
+.Ldebug_abbrev0:
+	.uleb128 0x1	# (abbrev code)
+	.uleb128 0x11	# (TAG: DW_TAG_compile_unit)
+	.byte	0x1	# DW_children_yes
+	.uleb128 0x25	# (DW_AT_producer)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x13	# (DW_AT_language)
+	.uleb128 0xb	# (DW_FORM_data1)
+	.uleb128 0x3	# (DW_AT_name)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x1b	# (DW_AT_comp_dir)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x11	# (DW_AT_low_pc)
+	.uleb128 0x1	# (DW_FORM_addr)
+	.uleb128 0x12	# (DW_AT_high_pc)
+	.uleb128 0x7	# (DW_FORM_data8)
+	.uleb128 0x10	# (DW_AT_stmt_list)
+	.uleb128 0x17	# (DW_FORM_sec_offset)
+	.byte	0
+	.byte	0
+	.uleb128 0x2	# (abbrev code)
+	.uleb128 0x2e	# (TAG: DW_TAG_subprogram)
+	.byte	0x1	# DW_children_yes
+	.uleb128 0x3f	# (DW_AT_external)
+	.uleb128 0x19	# (DW_FORM_flag_present)
+	.uleb128 0x3	# (DW_AT_name)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x49	# (DW_AT_type)
+	.uleb128 0x13	# (DW_FORM_ref4)
+	.uleb128 0x11	# (DW_AT_low_pc)
+	.uleb128 0x1	# (DW_FORM_addr)
+	.uleb128 0x12	# (DW_AT_high_pc)
+	.uleb128 0x7	# (DW_FORM_data8)
+	.uleb128 0x40	# (DW_AT_frame_base)
+	.uleb128 0x18	# (DW_FORM_exprloc)
+	.uleb128 0x2117	# (DW_AT_GNU_all_call_sites)
+	.uleb128 0x19	# (DW_FORM_flag_present)
+	.byte	0
+	.byte	0
+	.uleb128 0x3	# (abbrev code)
+	.uleb128 0x4109	# (TAG: DW_TAG_GNU_call_site)
+	.byte	0x1	# DW_children_yes
+	.uleb128 0x11	# (DW_AT_low_pc)
+	.uleb128 0x1	# (DW_FORM_addr)
+	.uleb128 0x31	# (DW_AT_abstract_origin)
+	.uleb128 0x13	# (DW_FORM_ref4)
+	.byte	0
+	.byte	0
+	.uleb128 0x4	# (abbrev code)
+	.uleb128 0x410a	# (TAG: DW_TAG_GNU_call_site_parameter)
+	.byte	0	# DW_children_no
+	.uleb128 0x2	# (DW_AT_location)
+	.uleb128 0x18	# (DW_FORM_exprloc)
+	.uleb128 0x2111	# (DW_AT_GNU_call_site_value)
+	.uleb128 0x18	# (DW_FORM_exprloc)
+	.byte	0
+	.byte	0
+	.uleb128 0x5	# (abbrev code)
+	.uleb128 0x24	# (TAG: DW_TAG_base_type)
+	.byte	0	# DW_children_no
+	.uleb128 0xb	# (DW_AT_byte_size)
+	.uleb128 0xb	# (DW_FORM_data1)
+	.uleb128 0x3e	# (DW_AT_encoding)
+	.uleb128 0xb	# (DW_FORM_data1)
+	.uleb128 0x3	# (DW_AT_name)
+	.uleb128 0x8	# (DW_FORM_string)
+	.byte	0
+	.byte	0
+	.uleb128 0x6	# (abbrev code)
+	.uleb128 0x2e	# (TAG: DW_TAG_subprogram)
+	.byte	0x1	# DW_children_yes
+	.uleb128 0x3	# (DW_AT_name)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x27	# (DW_AT_prototyped)
+	.uleb128 0x19	# (DW_FORM_flag_present)
+	.uleb128 0x11	# (DW_AT_low_pc)
+	.uleb128 0x1	# (DW_FORM_addr)
+	.uleb128 0x12	# (DW_AT_high_pc)
+	.uleb128 0x7	# (DW_FORM_data8)
+	.uleb128 0x40	# (DW_AT_frame_base)
+	.uleb128 0x18	# (DW_FORM_exprloc)
+	.uleb128 0x2117	# (DW_AT_GNU_all_call_sites)
+	.uleb128 0x19	# (DW_FORM_flag_present)
+	.byte	0
+	.byte	0
+	.uleb128 0x7	# (abbrev code)
+	.uleb128 0x5	# (TAG: DW_TAG_formal_parameter)
+	.byte	0	# DW_children_no
+	.uleb128 0x3	# (DW_AT_name)
+	.uleb128 0x8	# (DW_FORM_string)
+	.uleb128 0x49	# (DW_AT_type)
+	.uleb128 0x13	# (DW_FORM_ref4)
+	.uleb128 0x2	# (DW_AT_location)
+	.uleb128 0x17	# (DW_FORM_sec_offset)
+	.byte	0
+	.byte	0
+	.byte	0
+	.section	.debug_loc,"",@progbits
+.LLST0:
+	.quad	.LVL1-.Ltext0	# Location list begin address (*.LLST0)
+	.quad	.LVL2-.Ltext0	# Location list end address (*.LLST0)
+	.value	0x1	# Location expression size
+	.byte	0x55	# DW_OP_reg5
+	.quad	.LVL2-.Ltext0	# Location list begin address (*.LLST0)
+	.quad	.LFE1-.Ltext0	# Location list end address (*.LLST0)
+	.value	0x4	# Location expression size
+	.byte	0xf3	# DW_OP_GNU_entry_value
+	.uleb128 0x1
+	.byte	0x55	# DW_OP_reg5
+	.byte	0x9f	# DW_OP_stack_value
+	.quad	0	# Location list terminator begin (*.LLST0)
+	.quad	0	# Location list terminator end (*.LLST0)
+	.section	.debug_line,"",@progbits
+.Ldebug_line0:
+	.section	.note.GNU-stack,"",@progbits