Validate file id.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64204 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index b12b35b..1265b99 100644
--- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1554,6 +1554,7 @@
unsigned Line = V->getLineNumber();
CompileUnit *Unit = FindCompileUnit(V->getCompileUnit());
FileID = Unit->getID();
+ assert (FileID && "Invalid file id");
AddUInt(Die, DW_AT_decl_file, 0, FileID);
AddUInt(Die, DW_AT_decl_line, 0, Line);
}
@@ -1565,6 +1566,7 @@
unsigned Line = G->getLineNumber();
CompileUnit *Unit = FindCompileUnit(G->getCompileUnit());
FileID = Unit->getID();
+ assert (FileID && "Invalid file id");
AddUInt(Die, DW_AT_decl_file, 0, FileID);
AddUInt(Die, DW_AT_decl_line, 0, Line);
}
@@ -1577,6 +1579,7 @@
return;
CompileUnit *Unit = FindCompileUnit(CU);
FileID = Unit->getID();
+ assert (FileID && "Invalid file id");
AddUInt(Die, DW_AT_decl_file, 0, FileID);
AddUInt(Die, DW_AT_decl_line, 0, Line);
}