[PATCH] D128319: Survive #pragma once from virtual file.

[Tapasweni Pathak via Phabricator via cfe-commits]

tapaswenipathak created this revision.
tapaswenipathak added a reviewer: v.g.vassilev.
tapaswenipathak added a project: clang.
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Add check before marking file as a once-only file.

Ref: https://github.com/vgvassilev/clang/commit/728e1b3286.

Authored-by: Vassil Vassilev <vvasi...@cern.ch>
Submitted-by: Tapasweni Pathak <tapaswenipat...@gmail.com>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128319

Files:
  clang/lib/Lex/Pragma.cpp


Index: clang/lib/Lex/Pragma.cpp
===================================================================
--- clang/lib/Lex/Pragma.cpp
+++ clang/lib/Lex/Pragma.cpp
@@ -412,9 +412,11 @@
     return;
   }
 
-  // Get the current file lexer we're looking at.  Ignore _Pragma 'files' etc.
-  // Mark the file as a once-only file now.
-  HeaderInfo.MarkFileIncludeOnce(getCurrentFileLexer()->getFileEntry());
+  if (getCurrentFileLexer()->getFileEntry()) {
+    // Get the current file lexer we're looking at.  Ignore _Pragma 'files' 
etc.
+    // Mark the file as a once-only file now.
+    HeaderInfo.MarkFileIncludeOnce(getCurrentFileLexer()->getFileEntry());
+  }
 }
 
 void Preprocessor::HandlePragmaMark(Token &MarkTok) {



Index: clang/lib/Lex/Pragma.cpp
===================================================================
--- clang/lib/Lex/Pragma.cpp
+++ clang/lib/Lex/Pragma.cpp
@@ -412,9 +412,11 @@
     return;
   }
 
-  // Get the current file lexer we're looking at.  Ignore _Pragma 'files' etc.
-  // Mark the file as a once-only file now.
-  HeaderInfo.MarkFileIncludeOnce(getCurrentFileLexer()->getFileEntry());
+  if (getCurrentFileLexer()->getFileEntry()) {
+    // Get the current file lexer we're looking at.  Ignore _Pragma 'files' etc.
+    // Mark the file as a once-only file now.
+    HeaderInfo.MarkFileIncludeOnce(getCurrentFileLexer()->getFileEntry());
+  }
 }
 
 void Preprocessor::HandlePragmaMark(Token &MarkTok) {

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