aboutsummaryrefslogtreecommitdiff
path: root/gcc/rust
diff options
context:
space:
mode:
authorAbdul Rafey <abdulrafeyq@gmail.com>2023-01-29 17:05:23 +0530
committerArthur Cohen <arthur.cohen@embecosm.com>2023-04-06 10:47:18 +0200
commit760f529d8138b8b6afb6f17274af194d6fd5de12 (patch)
treee1bdd9fafddb6df18168c2d629e29bc23a3afe4b /gcc/rust
parentd6cb04bf5c0d77f60572f6f076fb602a8aeabf98 (diff)
downloadgcc-760f529d8138b8b6afb6f17274af194d6fd5de12.zip
gcc-760f529d8138b8b6afb6f17274af194d6fd5de12.tar.gz
gcc-760f529d8138b8b6afb6f17274af194d6fd5de12.tar.bz2
gccrs: fixed compiler error message on wildcard pattern within expression
gcc/rust/ChangeLog: * parse/rust-parse-impl.h (Parser::null_denotation): Add proper error when seeing wildcard var on right side of assignment. gcc/testsuite/ChangeLog: * rust/compile/issue-867.rs: New test. Signed-off-by: Abdul Rafey <abdulrafeyq@gmail.com>
Diffstat (limited to 'gcc/rust')
-rw-r--r--gcc/rust/parse/rust-parse-impl.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
index d71bafd..af749ca 100644
--- a/gcc/rust/parse/rust-parse-impl.h
+++ b/gcc/rust/parse/rust-parse-impl.h
@@ -13021,6 +13021,12 @@ Parser<ManagedTokenSource>::null_denotation (const_TokenPtr tok,
case UNSAFE:
return parse_unsafe_block_expr (std::move (outer_attrs),
tok->get_locus ());
+ case UNDERSCORE:
+ add_error (
+ Error (tok->get_locus (),
+ "use of %qs is not allowed on the right-side of an assignment",
+ tok->get_token_description ()));
+ return nullptr;
default:
if (!restrictions.expr_can_be_null)
add_error (Error (tok->get_locus (),