llvm-dwarfdump: Support for debug_line.dwo section for file names for type units under fission.

llvm-svn: 202091
diff --git a/llvm/lib/DebugInfo/DWARFDebugLine.h b/llvm/lib/DebugInfo/DWARFDebugLine.h
index 9e93cc8..88b1aee 100644
--- a/llvm/lib/DebugInfo/DWARFDebugLine.h
+++ b/llvm/lib/DebugInfo/DWARFDebugLine.h
@@ -34,8 +34,9 @@
 
   struct Prologue {
     Prologue()
-      : TotalLength(0), Version(0), PrologueLength(0), MinInstLength(0),
-        DefaultIsStmt(0), LineBase(0), LineRange(0), OpcodeBase(0) {}
+        : TotalLength(0), Version(0), PrologueLength(0), MinInstLength(0),
+          MaxOpsPerInst(0), DefaultIsStmt(0), LineBase(0), LineRange(0),
+          OpcodeBase(0) {}
 
     // The size in bytes of the statement information for this compilation unit
     // (not including the total_length field itself).
@@ -49,6 +50,9 @@
     // program opcodes that alter the address register first multiply their
     // operands by this value.
     uint8_t MinInstLength;
+    // The maximum number of individual operations that may be encoded in an
+    // instruction.
+    uint8_t MaxOpsPerInst;
     // The initial value of theis_stmtregister.
     uint8_t DefaultIsStmt;
     // This parameter affects the meaning of the special opcodes. See below.