[PATCH] D42273: Add hasTrailingReturn AST matcher

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added inline comments.


================
Comment at: include/clang/ASTMatchers/ASTMatchers.h:5904
+    return F->hasTrailingReturn();
+  return false;
+}
----------------
lebedev.ri wrote:
> juliehockett wrote:
> > lebedev.ri wrote:
> > > There are no negative tests in the unittest that cover this false path.
> > Is there a test case you would recommend? I'm not entirely sure what would be appropriate -- the tests compile in C++, yes? So `void f();` would just be a normal function declaration (with a prototype, please correct me if I'm wrong). 
> I'd start by checking what @aaron.ballman has suggested:
> ```
> EXPECT_TRUE(notMatches("void f();"));
> ```
> 
You'll need to use `notMatchesC()` to test that case (so you get a C input file instead of a C++ input file).


https://reviews.llvm.org/D42273