commit a3d3bd215bcd9dd39b547e8401b157cdbde7e6d0
author Richard Smith <richard-llvm@metafoo.co.uk> Wed May 08 02:12:03 2013 +0000
committer Richard Smith <richard-llvm@metafoo.co.uk> Wed May 08 02:12:03 2013 +0000
tree 7b194437fb1c9f8534587270715c57fbb59f3ec0
parent 1aee70b7732c8816dfff17abfff87c047fe6646c

C++1y: Add a step limit to constexpr evaluation, to catch runaway loops.

llvm-svn: 181388

clang/lib/Driver/Tools.cpp

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 47d12e1..a86199e 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -2667,6 +2667,11 @@
     CmdArgs.push_back(A->getValue());
   }
 
+  if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_steps_EQ)) {
+    CmdArgs.push_back("-fconstexpr-steps");
+    CmdArgs.push_back(A->getValue());
+  }
+
   if (Arg *A = Args.getLastArg(options::OPT_fbracket_depth_EQ)) {
     CmdArgs.push_back("-fbracket-depth");
     CmdArgs.push_back(A->getValue());