[PATCH] D17134: [clang-tidy] Fix an assert failure of ForStmt in `readability-braces-around-statements` check.

[Haojian Wu via cfe-commits]

hokein updated this revision to Diff 48057.
hokein marked an inline comment as done.
hokein added a comment.

Add a note in testcase.


http://reviews.llvm.org/D17134

Files:
  clang-tidy/readability/BracesAroundStatementsCheck.cpp
  test/clang-tidy/readability-braces-around-statements-assert-failure.cpp

Index: test/clang-tidy/readability-braces-around-statements-assert-failure.cpp
===================================================================
--- test/clang-tidy/readability-braces-around-statements-assert-failure.cpp
+++ test/clang-tidy/readability-braces-around-statements-assert-failure.cpp
@@ -1,7 +1,12 @@
-// RUN: %check_clang_tidy %s readability-braces-around-statements %t
+// RUN: clang-tidy -checks='-*,readability-braces-around-statements' %s --
+
+// Note: this test expects no assert failure happened in clang-tidy.
 
 int test_failure() {
   if (std::rand()) {
-  // CHECK-MESSAGES: :[[@LINE-1]]:7: error: use of undeclared identifier 'std'
   }
 }
+
+void test_failure2() {
+  for (a b c;;
+}
Index: clang-tidy/readability/BracesAroundStatementsCheck.cpp
===================================================================
--- clang-tidy/readability/BracesAroundStatementsCheck.cpp
+++ clang-tidy/readability/BracesAroundStatementsCheck.cpp
@@ -215,6 +215,8 @@
     return false;
   }
 
+  if (!InitialLoc.isValid())
+    return false;
   const SourceManager &SM = *Result.SourceManager;
   const ASTContext *Context = Result.Context;
 
@@ -225,8 +227,6 @@
   if (FileRange.isInvalid())
     return false;
 
-  // InitialLoc points at the last token before opening brace to be inserted.
-  assert(InitialLoc.isValid());
   // Convert InitialLoc to file location, if it's on the same macro expansion
   // level as the start of the statement. We also need file locations for
   // Lexer::getLocForEndOfToken working properly.


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