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| author | Jakub Jelinek <jakub@redhat.com> | 2010-06-07 19:50:10 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-06-07 19:50:10 +0200 |
| commit | d84686d14a6df2fbfe72830c1f6dc7456cca751e (patch) | |
| tree | 6bf1acdbbbfd98a7996cc0ee8d991ab35560999a /gcc/cp/expr.c | |
| parent | 026698d28e6eac591edfc8b1fd397e73b0503c56 (diff) | |
| download | gcc-d84686d14a6df2fbfe72830c1f6dc7456cca751e.zip gcc-d84686d14a6df2fbfe72830c1f6dc7456cca751e.tar.gz gcc-d84686d14a6df2fbfe72830c1f6dc7456cca751e.tar.bz2 | |
re PR c++/44444 (-Wunused-but-set-variable problem with field references)
PR c++/44444
* expr.c (mark_exp_read): Handle INDIRECT_REF.
* cvt.c (convert_to_void): Handle INDIRECT_REF like
handled_component_p.
* g++.dg/warn/Wunused-var-12.C: New test.
From-SVN: r160388
Diffstat (limited to 'gcc/cp/expr.c')
| -rw-r--r-- | gcc/cp/expr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/cp/expr.c b/gcc/cp/expr.c index ef5d6be..0a0ba53 100644 --- a/gcc/cp/expr.c +++ b/gcc/cp/expr.c @@ -1,7 +1,7 @@ /* Convert language-specific tree expression to rtl instructions, for GNU compiler. Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 2000, 2001, 2002, 2003, 2004, 2007 Free Software Foundation, Inc. + 2000, 2001, 2002, 2003, 2004, 2007, 2010 Free Software Foundation, Inc. This file is part of GCC. @@ -132,6 +132,7 @@ mark_exp_read (tree exp) case IMAGPART_EXPR: CASE_CONVERT: case ADDR_EXPR: + case INDIRECT_REF: mark_exp_read (TREE_OPERAND (exp, 0)); break; case COMPOUND_EXPR: |