[llvm] Fix file index verifier when there is no file name in the prologue. (PR #77004)
Shubham Sandeep Rastogi via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 5 10:16:38 PST 2024
================
@@ -940,8 +940,13 @@ void DWARFVerifier::verifyDebugLineRows() {
OS << '\n';
}
- // Verify file index.
- if (!LineTable->hasFileAtIndex(Row.File)) {
+ // If the prologue contains no file names and the line table has only one
+ // 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 &&
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rastogishubham wrote:
Nice De-Morgan's law application, I wrote it the way I did because it was more readable to me, but either is fine
https://github.com/llvm/llvm-project/pull/77004
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