Fixes layouting regression and invalid-read.

Layouting would prevent breaking before + in
a[b + c] = d;
Regression detected by code review.

Also fixes an invalid-read found by the valgrind bot.

llvm-svn: 173262

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index d1af838a730..806a7eb9c08 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -1365,6 +1365,13 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
   verifyGoogleFormat("A = new SomeType* [Length]();");
 }
 
+TEST_F(FormatTest, FormatsBinaryOperatorsPrecedingEquals) {
+  verifyFormat("void f() {\n"
+               "  x[aaaaaaaaa -\n"
+               "      b] = 23;\n"
+               "}", getLLVMStyleWithColumns(15));
+}
+
 TEST_F(FormatTest, FormatsCasts) {
   verifyFormat("Type *A = static_cast<Type *>(P);");
   verifyFormat("Type *A = (Type *)P;");