[llvm] r370289 - [ObjectYAML] Fix lifetime issue in dumpDebugLines

[Vitaly Buka via llvm-commits]

Author: vitalybuka
Date: Wed Aug 28 19:36:48 2019
New Revision: 370289

URL: http://llvm.org/viewvc/llvm-project?rev=370289&view=rev
Log:
[ObjectYAML] Fix lifetime issue in dumpDebugLines

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66901

Modified:
    llvm/trunk/test/ObjectYAML/MachO/DWARF-debug_line.yaml
    llvm/trunk/tools/obj2yaml/dwarf2yaml.cpp

Modified: llvm/trunk/test/ObjectYAML/MachO/DWARF-debug_line.yaml
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ObjectYAML/MachO/DWARF-debug_line.yaml?rev=370289&r1=370288&r2=370289&view=diff
==============================================================================
--- llvm/trunk/test/ObjectYAML/MachO/DWARF-debug_line.yaml (original)
+++ llvm/trunk/test/ObjectYAML/MachO/DWARF-debug_line.yaml Wed Aug 28 19:36:48 2019
@@ -557,21 +557,21 @@ DWARF:
 #CHECK:           SubOpcode:       DW_LNE_set_address
 #CHECK:           Data:            4294971216
 #CHECK:         - Opcode:          0x14
-#CHECK:           Data:            4294971216
+#CHECK:           Data:            0
 #CHECK:         - Opcode:          DW_LNS_set_column
 #CHECK:           Data:            3
 #CHECK:         - Opcode:          DW_LNS_set_prologue_end
-#CHECK:           Data:            3
+#CHECK:           Data:            0
 #CHECK:         - Opcode:          DW_LNS_const_add_pc
-#CHECK:           Data:            3
+#CHECK:           Data:            0
 #CHECK:         - Opcode:          0xBB
-#CHECK:           Data:            3
+#CHECK:           Data:            0
 #CHECK:         - Opcode:          0xBB
-#CHECK:           Data:            3
+#CHECK:           Data:            0
 #CHECK:         - Opcode:          DW_LNS_advance_pc
 #CHECK:           Data:            11
 #CHECK:         - Opcode:          DW_LNS_extended_op
 #CHECK:           ExtLen:          1
 #CHECK:           SubOpcode:       DW_LNE_end_sequence
-#CHECK:           Data:            11
+#CHECK:           Data:            0
 #CHECK: ...

Modified: llvm/trunk/tools/obj2yaml/dwarf2yaml.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/obj2yaml/dwarf2yaml.cpp?rev=370289&r1=370288&r2=370289&view=diff
==============================================================================
--- llvm/trunk/tools/obj2yaml/dwarf2yaml.cpp (original)
+++ llvm/trunk/tools/obj2yaml/dwarf2yaml.cpp Wed Aug 28 19:36:48 2019
@@ -287,7 +287,7 @@ void dumpDebugLines(DWARFContext &DCtx,
       const uint64_t LineEnd =
           LineTableLength + *StmtOffset + SizeOfPrologueLength;
       while (Offset < LineEnd) {
-        DWARFYAML::LineTableOpcode NewOp;
+        DWARFYAML::LineTableOpcode NewOp = {};
         NewOp.Opcode = (dwarf::LineNumberOps)LineData.getU8(&Offset);
         if (NewOp.Opcode == 0) {
           auto StartExt = Offset;