Fix -E mismatch; an identifier followed by a numeric constant does not
require a space (to avoid concatenation) if the numeric constant had a
leading period.
- PR3819.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67163 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Lexer/token-concat.c b/test/Lexer/token-concat.c
new file mode 100644
index 0000000..003344f
--- /dev/null
+++ b/test/Lexer/token-concat.c
@@ -0,0 +1,4 @@
+// RUN: clang -E -x c -o %t %s &&
+// RUN: grep 'IDENT.2' %t
+
+IDENT.2