If a comma operator is followed by a token which unambiguously indicates the

start of a statement or the end of a compound-statement, diagnose the comma as
a typo for a semicolon. Patch by Ahmed Bougacha! Additional test cases and
minor refactoring by me.

llvm-svn: 164085

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/test/Parser/cxx-stmt.cpp b/clang/test/Parser/cxx-stmt.cpp
index 7677ca88012..c2fa0a4df0d 100644
--- a/clang/test/Parser/cxx-stmt.cpp
+++ b/clang/test/Parser/cxx-stmt.cpp
@@ -58,3 +58,11 @@ void f5() {
   asm volatile ("":: :"memory");
   asm volatile ("": ::"memory");
 }
+
+int f6() {
+  int k, // expected-note {{change this ',' to a ';' to call 'f6'}}
+  f6(), // expected-error {{expected ';'}} expected-warning {{interpreted as a function declaration}} expected-note {{replace paren}}
+  int n = 0, // expected-error {{expected ';'}}
+  return f5(), // ok
+  int(n);
+}