clang-cl: make /Gy imply -fdata-sections in addition to -ffunction-sections
llvm-svn: 204736
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 49d73f6..ef3e003 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -4135,6 +4135,12 @@
if (!Args.hasArg(options::OPT_frtti, options::OPT_fno_rtti))
CmdArgs.push_back("-fno-rtti");
+ // Let -ffunction-sections imply -fdata-sections.
+ if (Arg * A = Args.getLastArg(options::OPT_ffunction_sections,
+ options::OPT_fno_function_sections))
+ if (A->getOption().matches(options::OPT_ffunction_sections))
+ CmdArgs.push_back("-fdata-sections");
+
const Driver &D = getToolChain().getDriver();
Arg *MostGeneralArg = Args.getLastArg(options::OPT__SLASH_vmg);
Arg *BestCaseArg = Args.getLastArg(options::OPT__SLASH_vmb);