[llvm-profdata] Fix a dangling reference to an error string

llvm-svn: 318502
diff --git a/llvm/test/tools/llvm-profdata/Inputs/counter-mismatch-1.proftext b/llvm/test/tools/llvm-profdata/Inputs/counter-mismatch-1.proftext
new file mode 100644
index 0000000..d54d0ad
--- /dev/null
+++ b/llvm/test/tools/llvm-profdata/Inputs/counter-mismatch-1.proftext
@@ -0,0 +1,4 @@
+foo
+1024
+1
+0