[NFC] Address review feedback from PR #77004 (#77134)

Accidentally didn't commit the review feedback before merging the PR

llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp

@@ -944,8 +944,8 @@ void DWARFVerifier::verifyDebugLineRows() {
       // row, do not verify the file index, this is a line table of an empty
       // file with an end_sequence, but the DWARF standard sets the file number
       // to 1 by default, otherwise verify file index.
-      if (!(LineTable->Prologue.FileNames.size() == 0 &&
-            LineTable->Rows.size() == 1) &&
+      if ((LineTable->Prologue.FileNames.size() ||
+           LineTable->Rows.size() != 1) &&
           !LineTable->hasFileAtIndex(Row.File)) {
         ++NumDebugLineErrors;
         error() << ".debug_line["

llvm/test/tools/llvm-dwarfdump/verify-no-file.yaml

@@ -1,6 +1,5 @@
-# RUN: rm -rf %t && mkdir -p %t
-# RUN: yaml2obj %s -o %t/test.o
-# RUN: llvm-dwarfdump --debug-line --verify %t/test.o 2>&1 | FileCheck %s
+# RUN: yaml2obj %s -o %t.o
+# RUN: llvm-dwarfdump --debug-line --verify %t.o 2>&1 | FileCheck %s
 
 # CHECK-NOT: error: .debug_line[0x{{[0-9a-f]+}}][0] has invalid file index 1 (valid values are [1,0]):
 --- !mach-o