Dwarf: do not use line_table_start in at_stmt_list since we do not always emit
line table entries in assembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174785 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 5d19a8d..6d3759d 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -670,9 +670,12 @@
// DW_AT_stmt_list is a offset of line number information for this
// compile unit in debug_line section.
+ // The line table entries are not always emitted in assembly, so it
+ // is not okay to use line_table_start here.
if (Asm->MAI->doesDwarfUseRelocationsAcrossSections())
NewCU->addLabel(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4,
- LineTableStartSym);
+ NewCU->getUniqueID() == 0 ?
+ Asm->GetTempSymbol("section_line") : LineTableStartSym);
else if (NewCU->getUniqueID() == 0)
NewCU->addUInt(Die, dwarf::DW_AT_stmt_list, dwarf::DW_FORM_data4, 0);
else