[clang-tidy] Do not match on lambdas.

We match on the generated FunctionDecl of the lambda and try to fix it.
This causes a crash.
The right behavior is to ignore lambdas, because they are a definition.

llvm-svn: 274019

1 files changed, 4 insertions, 0 deletions

diff --git a/clang-tools-extra/test/clang-tidy/readability-avoid-const-params-in-decls.cpp b/clang-tools-extra/test/clang-tidy/readability-avoid-const-params-in-decls.cpp
index ef0f4bdded8..f009f9f5941 100644
--- a/clang-tools-extra/test/clang-tidy/readability-avoid-const-params-in-decls.cpp
+++ b/clang-tools-extra/test/clang-tidy/readability-avoid-const-params-in-decls.cpp
@@ -90,3 +90,7 @@ void ConstNotVisible(CONCAT(cons, t) int i);
 // CHECK-MESSAGES: :[[@LINE-1]]:22: warning: parameter 'i'
 // We warn, but we can't give a fix
 // CHECK-FIXES: void ConstNotVisible(CONCAT(cons, t) int i);
+
+// Regression test. We should not warn (or crash) on lambda expressions
+auto lambda_with_name = [](const int n) {};
+auto lambda_without_name = [](const int) {};