commit cf2362b76b624b90e2649497ab8019bcce959bf4
author Ted Kremenek <kremenek@apple.com> Wed Jan 25 06:07:15 2012 +0000
committer Ted Kremenek <kremenek@apple.com> Wed Jan 25 06:07:15 2012 +0000
tree 4f3f3f4beec2d37f16d1e83cff4817af1df31154
parent 3b6b61e1403cf6b77bd66498087a4451f8c926c5

Fix -fmacro-backtrace-limit=0 to show the entire macro backtrace.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148930 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/DiagnosticRenderer.cpp

diff --git a/lib/Frontend/DiagnosticRenderer.cpp b/lib/Frontend/DiagnosticRenderer.cpp
index 9c4976c..062b8a9 100644
--- a/lib/Frontend/DiagnosticRenderer.cpp
+++ b/lib/Frontend/DiagnosticRenderer.cpp
@@ -260,7 +260,8 @@
   Loc = getImmediateMacroCalleeLoc(SM, Loc);
   
   unsigned MacroSkipStart = 0, MacroSkipEnd = 0;
-  if (MacroDepth > DiagOpts.MacroBacktraceLimit) {
+  if (MacroDepth > DiagOpts.MacroBacktraceLimit &&
+      DiagOpts.MacroBacktraceLimit != 0) {
     MacroSkipStart = DiagOpts.MacroBacktraceLimit / 2 +
     DiagOpts.MacroBacktraceLimit % 2;
     MacroSkipEnd = MacroDepth - DiagOpts.MacroBacktraceLimit / 2;