[PATCH 1/3] go: Fix memory leak in Integer_expression

[Bernhard Reutner-Fischer via Gcc-patches]

From: Bernhard Reutner-Fischer <al...@gcc.gnu.org>

Cc: Ian Lance Taylor <i...@airs.com>

gcc/go/ChangeLog:

        * gofrontend/expressions.cc (Integer_expression::do_import): Fix
        memory leak.
---
 gcc/go/gofrontend/expressions.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 4ac55af7433..93f5d5dc52b 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -2728,6 +2728,7 @@ Integer_expression::do_import(Import_expression* imp, 
Location loc)
            {
              go_error_at(imp->location(), "bad number in import data: %qs",
                          real_str.c_str());
+             mpfr_clear (real);
              return Expression::make_error(loc);
            }
        }
@@ -2743,6 +2744,8 @@ Integer_expression::do_import(Import_expression* imp, 
Location loc)
        {
          go_error_at(imp->location(), "bad number in import data: %qs",
                      imag_str.c_str());
+         mpfr_clear (imag);
+         mpfr_clear (real);
          return Expression::make_error(loc);
        }
       mpc_t cval;
@@ -2766,6 +2769,7 @@ Integer_expression::do_import(Import_expression* imp, 
Location loc)
        {
          go_error_at(imp->location(), "bad number in import data: %qs",
                      num.c_str());
+         mpz_clear (val);
          return Expression::make_error(loc);
        }
       Expression* ret;
@@ -2783,6 +2787,7 @@ Integer_expression::do_import(Import_expression* imp, 
Location loc)
        {
          go_error_at(imp->location(), "bad number in import data: %qs",
                      num.c_str());
+         mpfr_clear (val);
          return Expression::make_error(loc);
        }
       Expression* ret = Expression::make_float(&val, NULL, loc);
-- 
2.30.2