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-rw-r--r--clang/lib/Frontend/CompilerInvocation.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 86a3c87ed5c..2bdd40cc995 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -98,6 +98,9 @@ static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
if (S == "s" || S == "z" || S.empty())
return 2;
+ if (S == "g")
+ return 1;
+
return getLastArgIntValue(Args, OPT_O, DefaultOpt, Diags);
}
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