# HG changeset patch
# Parent f9415c10c3ebd27856500cca7a0ee0f28a16f53c
diff --git a/gfx/angle/src/compiler/preprocessor/scanner.h b/gfx/angle/src/compiler/preprocessor/scanner.h
--- a/gfx/angle/src/compiler/preprocessor/scanner.h
+++ b/gfx/angle/src/compiler/preprocessor/scanner.h
@@ -44,17 +44,19 @@ NVIDIA HAS BEEN ADVISED OF THE POSSIBILI
 //
 // scanner.h
 //
 
 #if !defined(__SCANNER_H)
 #define __SCANNER_H 1
 
 // These lengths do not include the NULL terminator.
-#define MAX_SYMBOL_NAME_LEN 256
+// see bug 675625: NVIDIA driver crash with lengths >= 253
+// this is only an interim fix, the real fix is name mapping, see ANGLE bug 144 / r619
+#define MAX_SYMBOL_NAME_LEN 250
 #define MAX_STRING_LEN 511
 
 #include "compiler/preprocessor/parser.h"
 
 // Not really atom table stuff but needed first...
 
 typedef struct SourceLoc_Rec {
     unsigned short file, line;