[lld] r292219 - [ELF] - Do not create huge garbage files on section offset overflow.

[George Rimar via llvm-commits]

Author: grimar
Date: Tue Jan 17 07:50:34 2017
New Revision: 292219

URL: http://llvm.org/viewvc/llvm-project?rev=292219&view=rev
Log:
[ELF] - Do not create huge garbage files on section offset overflow.

Patch changes behavior to not try open the output 
file if we already know about error.

That is not just cleaner, but also fixes nasty behavior of linker that
could create huge temporarily files under certain conditions.

Differential revision: https://reviews.llvm.org/D28107

Modified:
    lld/trunk/ELF/Writer.cpp

Modified: lld/trunk/ELF/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Writer.cpp?rev=292219&r1=292218&r2=292219&view=diff
==============================================================================
--- lld/trunk/ELF/Writer.cpp (original)
+++ lld/trunk/ELF/Writer.cpp Tue Jan 17 07:50:34 2017
@@ -217,6 +217,9 @@ template <class ELFT> void Writer<ELFT>:
     fixAbsoluteSymbols();
   }
 
+  // It does not make sense try to open the file if we have error already.
+  if (ErrorCount)
+    return;
   // Write the result down to a file.
   openFile();
   if (ErrorCount)