It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 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
index 0000000..d11fa08
--- /dev/null
+++ b/test/CFrontend/2007-02-16-WritableStrings.c
@@ -0,0 +1,8 @@
+// Test the -fwritable-strings option.
+
+// RUN: %llvmgcc -O3 -S -o - -emit-llvm -fwritable-strings %s | \
+// RUN: grep {internal global}
+// RUN: %llvmgcc -O3 -S -o - -emit-llvm %s | grep {internal constant}
+
+char *X = "foo";
+