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| author | Jakub Jelinek <jakub@redhat.com> | 2011-12-15 18:29:25 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-12-15 18:29:25 +0100 |
| commit | 7d1362bcd64fd5d774f9e3cbe2ae2498a74ae5c9 (patch) | |
| tree | d9175cdfc130e51e03e7c8c63c71f7397b829930 /gcc/c-parser.c | |
| parent | 323492f6f9c8509fc51ab52026b74d0ca783c0c3 (diff) | |
| download | gcc-7d1362bcd64fd5d774f9e3cbe2ae2498a74ae5c9.zip gcc-7d1362bcd64fd5d774f9e3cbe2ae2498a74ae5c9.tar.gz gcc-7d1362bcd64fd5d774f9e3cbe2ae2498a74ae5c9.tar.bz2 | |
re PR c/51360 (spurious unused-but-set-variable warning for var used in OpenMP pragma)
PR c/51360
* c-parser.c (c_parser_omp_clause_num_threads,
c_parser_omp_clause_schedule): Call mark_exp_read.
* semantics.c (finish_omp_clauses): For OMP_CLAUSE_NUM_THREADS_EXPR
and OMP_CLAUSE_SCHEDULE_CHUNK_EXPR call mark_rvalue_use.
* c-c++-common/gomp/pr51360.c: New test.
* g++.dg/gomp/pr51360.C: New test.
From-SVN: r182381
Diffstat (limited to 'gcc/c-parser.c')
| -rw-r--r-- | gcc/c-parser.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/c-parser.c b/gcc/c-parser.c index e227137..0a268a6 100644 --- a/gcc/c-parser.c +++ b/gcc/c-parser.c @@ -9011,6 +9011,7 @@ c_parser_omp_clause_num_threads (c_parser *parser, tree list) { location_t expr_loc = c_parser_peek_token (parser)->location; tree c, t = c_parser_expression (parser).value; + mark_exp_read (t); t = c_fully_fold (t, false, NULL); c_parser_skip_until_found (parser, CPP_CLOSE_PAREN, "expected %<)%>"); @@ -9218,6 +9219,7 @@ c_parser_omp_clause_schedule (c_parser *parser, tree list) here = c_parser_peek_token (parser)->location; t = c_parser_expr_no_commas (parser, NULL).value; + mark_exp_read (t); t = c_fully_fold (t, false, NULL); if (OMP_CLAUSE_SCHEDULE_KIND (c) == OMP_CLAUSE_SCHEDULE_RUNTIME) |