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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-09-15 21:07:54 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-09-15 21:07:54 +0000 |
| commit | 41dfa93fb8d0cfd3a64ba3e6eba9fbbe1d66090c (patch) | |
| tree | 3241c6cfc5f9b0874103fbef0c9668883028a528 /gcc/go | |
| parent | efc79e1e860fd4fa7df5ba68c14cf59723205274 (diff) | |
| download | gcc-41dfa93fb8d0cfd3a64ba3e6eba9fbbe1d66090c.zip gcc-41dfa93fb8d0cfd3a64ba3e6eba9fbbe1d66090c.tar.gz gcc-41dfa93fb8d0cfd3a64ba3e6eba9fbbe1d66090c.tar.bz2 | |
compiler: check error expression in Array_type::get_backend_length
Otherwise, a zero length is created in the backend and the
backend doesn't know there is an error.
Reviewed-on: https://go-review.googlesource.com/61610
From-SVN: r252849
Diffstat (limited to 'gcc/go')
| -rw-r--r-- | gcc/go/gofrontend/MERGE | 2 | ||||
| -rw-r--r-- | gcc/go/gofrontend/types.cc | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE index a1ccb2b..a63d921 100644 --- a/gcc/go/gofrontend/MERGE +++ b/gcc/go/gofrontend/MERGE @@ -1,4 +1,4 @@ -4e063a8eee636cce17aea48c7183e78431174de3 +de7b370901c4fc6852eaa7372282bb699429ec4a 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/types.cc b/gcc/go/gofrontend/types.cc index e91922c..a00b80a 100644 --- a/gcc/go/gofrontend/types.cc +++ b/gcc/go/gofrontend/types.cc @@ -7638,6 +7638,11 @@ Array_type::get_backend_length(Gogo* gogo) go_assert(this->length_ != NULL); if (this->blength_ == NULL) { + if (this->length_->is_error_expression()) + { + this->blength_ = gogo->backend()->error_expression(); + return this->blength_; + } Numeric_constant nc; mpz_t val; if (this->length_->numeric_constant_value(&nc) && nc.to_int(&val)) |