GCC PR 77625 is about a warning while compiling the Go frontend.  The
Go frontend called `new std::ofstream()`, and the warning is "error:
‘new’ of type ‘std::ofstream {aka std::basic_ofstream<char>}’ with
extended alignment 16".  Frankly I'm not sure how this supposed to
work: shouldn't it be possible to write new std::ofstream()?  But the
problem is easy to avoid, since in this case the std::ofstream can be
a local variable, and that is a better approach anyhow.  This patch
was bootstrapped on x86_64-pc-linux-gnu.  Committed to mainline.

Index: gcc/go/gofrontend/MERGE
--- gcc/go/gofrontend/MERGE     (revision 240275)
+++ gcc/go/gofrontend/MERGE     (working copy)
@@ -1,4 +1,4 @@
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
Index: gcc/go/gofrontend/ast-dump.cc
--- gcc/go/gofrontend/ast-dump.cc       (revision 240053)
+++ gcc/go/gofrontend/ast-dump.cc       (working copy)
@@ -166,24 +166,24 @@ const char* kAstDumpFileExtension = ".du
 Ast_dump_context::dump(Gogo* gogo, const char* basename)
-  std::ofstream* out = new std::ofstream();
+  std::ofstream out;
   std::string dumpname(basename);
   dumpname += ".dump.ast";
-  out->open(dumpname.c_str());
+  out.open(dumpname.c_str());
-  if (out->fail())
+  if (out.fail())
       error("cannot open %s:%m, -fgo-dump-ast ignored", dumpname.c_str());
   this->gogo_ = gogo;
-  this->ostream_ = out;
+  this->ostream_ = &out;
   Ast_dump_traverse_blocks_and_functions adtbf(this);
-  out->close();
+  out.close();
 // Dump a textual representation of a type to the

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