[cfe-commits] r84240 - /cfe/trunk/lib/Basic/Diagnostic.cpp

[Chris Lattner]

Author: lattner
Date: Thu Oct 15 21:34:51 2009
New Revision: 84240

URL: http://llvm.org/viewvc/llvm-project?rev=84240&view=rev
Log:
increase helpfulness of assert message.

Modified:
    cfe/trunk/lib/Basic/Diagnostic.cpp

Modified: cfe/trunk/lib/Basic/Diagnostic.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Diagnostic.cpp?rev=84240&r1=84239&r2=84240&view=diff

==============================================================================
--- cfe/trunk/lib/Basic/Diagnostic.cpp (original)
+++ cfe/trunk/lib/Basic/Diagnostic.cpp Thu Oct 15 21:34:51 2009
@@ -82,9 +82,14 @@
 #ifndef NDEBUG
   static bool IsFirst = true;
   if (IsFirst) {
-    for (unsigned i = 1; i != NumDiagEntries; ++i)
+    for (unsigned i = 1; i != NumDiagEntries; ++i) {
+      assert(StaticDiagInfo[i-1].DiagID != StaticDiagInfo[i].DiagID &&
+             "Diag ID conflict, the enums at the start of clang::diag (in "
+             "Diagnostic.h) probably need to be increased");
+
       assert(StaticDiagInfo[i-1] < StaticDiagInfo[i] &&
              "Improperly sorted diag info");
+    }
     IsFirst = false;
   }
 #endif