[clang-tidy] Skip misc-macro-parentheses for namespaces (Fix PR27400)

If a use of a macro argument is preceded by the `namespace` keyword, do
not warn that the use should be wrapped in parentheses.

Patch by Mads Ravn!

llvm-svn: 269786

1 files changed, 1 insertions, 0 deletions

diff --git a/clang-tools-extra/test/clang-tidy/misc-macro-parentheses.cpp b/clang-tools-extra/test/clang-tidy/misc-macro-parentheses.cpp
index 8f23a0991da..de83a827bfd 100644
--- a/clang-tools-extra/test/clang-tidy/misc-macro-parentheses.cpp
+++ b/clang-tools-extra/test/clang-tidy/misc-macro-parentheses.cpp
@@ -36,6 +36,7 @@
 #define GOOD25(t)         std::set<t,t,t> s
 #define GOOD26(x)         (a->*x)
 #define GOOD27(x)         (a.*x)
+#define GOOD28(x)         namespace x {int b;}
 
 // These are allowed for now..
 #define MAYBE1            *12.34