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authorPhilip Herron <herron.philip@googlemail.com>2025-03-28 17:52:51 +0000
committerPhilip Herron <philip.herron@embecosm.com>2025-03-28 18:34:45 +0000
commit6130523c8b98178e6bdbde9e33a4ca8c95226bf1 (patch)
treef5456c38605eca6e9258ec692dd7c736cc2b85b8 /gcc
parent8d1c01c818428a432dc7a64237bdf62aa3fd0c6c (diff)
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gccrs: FIX ICE for malformed repr attribute
Fixes Rust-GCC#3614 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-base.cc (TypeCheckBase::parse_repr_options): check for input gcc/testsuite/ChangeLog: * rust/compile/issue-3614.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
Diffstat (limited to 'gcc')
-rw-r--r--gcc/rust/typecheck/rust-hir-type-check-base.cc6
-rw-r--r--gcc/testsuite/rust/compile/issue-3614.rs3
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/rust/typecheck/rust-hir-type-check-base.cc b/gcc/rust/typecheck/rust-hir-type-check-base.cc
index b6d2f03..f60b540 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-base.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-base.cc
@@ -305,6 +305,12 @@ TypeCheckBase::parse_repr_options (const AST::AttrVec &attrs, location_t locus)
for (const auto &attr : attrs)
{
bool is_repr = attr.get_path ().as_string () == Values::Attributes::REPR;
+ if (is_repr && !attr.has_attr_input ())
+ {
+ rust_error_at (attr.get_locus (), "malformed %qs attribute", "repr");
+ continue;
+ }
+
if (is_repr)
{
const AST::AttrInput &input = attr.get_attr_input ();
diff --git a/gcc/testsuite/rust/compile/issue-3614.rs b/gcc/testsuite/rust/compile/issue-3614.rs
new file mode 100644
index 0000000..350a7e4
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-3614.rs
@@ -0,0 +1,3 @@
+#[repr] // { dg-error "malformed .repr. attribute" }
+
+struct _B {}