Don't produce debug info when given -g. Fixes PR6529.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97897 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index de9bdcc..bc52100 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -929,7 +929,9 @@
// Special case debug options to only pass -g to clang. This is
// wrong.
- if (Args.hasArg(options::OPT_g_Group))
+ Args.ClaimAllArgs(options::OPT_g_Group);
+ Arg *Garg = Args.getLastArg(options::OPT_g_Group);
+ if (Garg && Garg != Args.getLastArg(options::OPT_g0))
CmdArgs.push_back("-g");
Args.AddLastArg(CmdArgs, options::OPT_nostdinc);
diff --git a/test/Driver/clang-g-opts.c b/test/Driver/clang-g-opts.c
new file mode 100644
index 0000000..4dbdf61
--- /dev/null
+++ b/test/Driver/clang-g-opts.c
@@ -0,0 +1,5 @@
+// RUN: %clang -S -v -o %t %s 2>&1 | not grep -w -- -g
+// RUN: %clang -S -v -o %t %s -g 2>&1 | grep -w -- -g
+// RUN: %clang -S -v -o %t %s -g0 2>&1 | not grep -w -- -g
+// RUN: %clang -S -v -o %t %s -g -g0 2>&1 | not grep -w -- -g
+// RUN: %clang -S -v -o %t %s -g0 -g 2>&1 | grep -w -- -g