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author | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-11-21 06:14:32 +0000 |
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committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-11-21 06:14:32 +0000 |
commit | 5e43a9eeca114f99248c46495449d6fd4fc2b63e (patch) | |
tree | 24605dffe6f5f579e42b1ae2a63ea3acb543ff4d /gcc | |
parent | 8c098567886e155a07aabfeea764d5c67eadbdaf (diff) | |
download | gcc-5e43a9eeca114f99248c46495449d6fd4fc2b63e.zip gcc-5e43a9eeca114f99248c46495449d6fd4fc2b63e.tar.gz gcc-5e43a9eeca114f99248c46495449d6fd4fc2b63e.tar.bz2 |
compiler: report error for ++/-- applied to a non-numeric type
This avoids a compiler crash.
Fixes GCC PR 83071.
Reviewed-on: https://go-review.googlesource.com/78875
From-SVN: r254983
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/go/gofrontend/MERGE | 2 | ||||
-rw-r--r-- | gcc/go/gofrontend/statements.cc | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE index 4832c78..ed351c0 100644 --- a/gcc/go/gofrontend/MERGE +++ b/gcc/go/gofrontend/MERGE @@ -1,4 +1,4 @@ -cb5dc1ce98857884a2215c461dd1d7de530f9f5e +5485b3faed476f6d051833d1790b5f77be9d1efc The first line of this file holds the git revision number of the last merge done from the gofrontend repository. diff --git a/gcc/go/gofrontend/statements.cc b/gcc/go/gofrontend/statements.cc index b22f690..e977980 100644 --- a/gcc/go/gofrontend/statements.cc +++ b/gcc/go/gofrontend/statements.cc @@ -1826,6 +1826,11 @@ Statement* Inc_dec_statement::do_lower(Gogo*, Named_object*, Block*, Statement_inserter*) { Location loc = this->location(); + if (!this->expr_->type()->is_numeric_type()) + { + this->report_error("increment or decrement of non-numeric type"); + return Statement::make_error_statement(loc); + } Expression* oexpr = Expression::make_integer_ul(1, this->expr_->type(), loc); Operator op = this->is_inc_ ? OPERATOR_PLUSEQ : OPERATOR_MINUSEQ; return Statement::make_assignment_operation(op, this->expr_, oexpr, loc); |