GICHelper: Correctly assign return value

... to preserve reference counting logic.

In practice the missing assignment would not have caused any issues. We still
fix it as the code is wrong and it also causes noise in the clang static
analysis runs.

llvm-svn: 280946

diff --git a/polly/lib/Support/GICHelper.cpp b/polly/lib/Support/GICHelper.cpp
index e3a5999..1903980 100644 (file)
--- a/polly/lib/Support/GICHelper.cpp
+++ b/polly/lib/Support/GICHelper.cpp
@@ -99,7 +99,7 @@ static inline std::string stringFromIslObjInternal(__isl_keep ISLTy *isl_obj,
     return "null";
   isl_ctx *ctx = ctx_getter_fn(isl_obj);
   isl_printer *p = isl_printer_to_str(ctx);
-  printer_fn(p, isl_obj);
+  p = printer_fn(p, isl_obj);
   char *char_str = isl_printer_get_str(p);
   std::string string;
   if (char_str)