Driver: Change -O to mean -O2, -O1 is meaningless.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82131 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 13d9923..7a351d7 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -704,13 +704,13 @@
if (types::getPreprocessedType(InputType) != types::TY_INVALID)
AddPreprocessingOptions(D, Args, CmdArgs, Output, Inputs);
- // Manually translate -O to -O1 and -O4 to -O3; let clang reject
+ // Manually translate -O to -O2 and -O4 to -O3; let clang reject
// others.
if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
if (A->getOption().getId() == options::OPT_O4)
CmdArgs.push_back("-O3");
else if (A->getValue(Args)[0] == '\0')
- CmdArgs.push_back("-O1");
+ CmdArgs.push_back("-O2");
else
A->render(Args, CmdArgs);
}