[XLA] Switch to absl::StrFormat.

Unlike Printf, StrFormat does not require type-length qualifiers, e.g
%z, %ll.  Nor does it require that you call c_str() to print strings.
So these are fixed up here as well.

PiperOrigin-RevId: 210435915

1 files changed, 2 insertions, 2 deletions

diff --git a/tensorflow/compiler/xla/tests/test_utils.cc b/tensorflow/compiler/xla/tests/test_utils.cc
index 21c58e075e..776f93d9f7 100644
--- a/tensorflow/compiler/xla/tests/test_utils.cc
+++ b/tensorflow/compiler/xla/tests/test_utils.cc
@@ -194,7 +194,7 @@ StatusOr<std::unique_ptr<Literal>> MakeFakeLiteralInternal(
       break;
     default:
       return Unimplemented("Unsupported type for fake literal generation: %s",
-                           ShapeUtil::HumanString(shape).c_str());
+                           ShapeUtil::HumanString(shape));
   }
   return std::move(literal);
 }
@@ -342,7 +342,7 @@ StatusOr<std::unique_ptr<Literal>> CreateLiteralForConstrainedUses(
       default:
         return Unimplemented(
             "Constrained operand generation not implemented for %s.",
-            use->ToString().c_str());
+            use->ToString());
     }
   }
   int constraint_count = 0;