Don't emit string-comparison or self-comparison warnings in

unevaluated contexts, because they only matter for code that will
actually be evaluated at runtime.

As part of this, I had to extend PartialDiagnostic to support fix-it
hints.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@93266 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/test/Sema/exprs.c b/test/Sema/exprs.c
index 9059cac22e..9acc63fa41 100644
--- a/test/Sema/exprs.c
+++ b/test/Sema/exprs.c
@@ -87,6 +87,10 @@ int test12(const char *X) {
   return X == "foo";  // expected-warning {{comparison against a string literal is unspecified}}
 }
 
+int test12b(const char *X) {
+  return sizeof(X == "foo"); // no-warning
+}
+
 // rdar://6719156
 void test13(
             void (^P)()) { // expected-error {{blocks support disabled - compile with -fblocks}}