Index: cfe-3.7.0.src/lib/Driver/ToolChains.cpp =================================================================== --- cfe-3.7.0.src/lib/Driver/ToolChains.cpp +++ cfe-3.7.0.src/lib/Driver/ToolChains.cpp @@ -1091,7 +1091,8 @@ Generic_GCC::GCCVersion Linux::GCCVersio if (First.first.getAsInteger(10, GoodVersion.Major) || GoodVersion.Major < 0) return BadVersion; GoodVersion.MajorStr = First.first.str(); - if (Second.first.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0) + if (!Second.first.str().empty() && + (Second.first.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0)) return BadVersion; GoodVersion.MinorStr = Second.first.str();