new testcase for -fwritable-strings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34365 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CFrontend/2007-02-16-WritableStrings.c b/test/CFrontend/2007-02-16-WritableStrings.c
new file mode 100644 (file)
index 0000000..f26d50b
--- /dev/null
+++ b/test/CFrontend/2007-02-16-WritableStrings.c
@@ -0,0 +1,7 @@
+// Test the -fwritable-strings option.
+
+// RUN: %llvmgcc -O3 -S -o - -emit-llvm -fwritable-strings %s | grep 'internal global' &&
+// RUN: %llvmgcc -O3 -S -o - -emit-llvm %s | grep 'internal constant'
+
+char *X = "foo";
+