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authorPhilip Herron <herron.philip@googlemail.com>2023-07-30 00:19:15 +0100
committerArthur Cohen <arthur.cohen@embecosm.com>2024-01-16 18:56:03 +0100
commit0610584d0d03dc44ce7403dad7028bdc1acceb7e (patch)
tree8feaf5c0418e35e0572a8f308839b9d1cf3f0d28
parent6164ec07c64f9ceb40fc5f4f6efb5c0f836fb04f (diff)
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gccrs: fix ice when function is outside of context
Fixes #2477 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): We need to check if a function context exists gcc/testsuite/ChangeLog: * rust/compile/issue-2477.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
-rw-r--r--gcc/rust/typecheck/rust-hir-type-check-expr.cc8
-rw-r--r--gcc/testsuite/rust/compile/issue-2477.rs3
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/rust/typecheck/rust-hir-type-check-expr.cc b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
index b7538ab..74c4217 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-expr.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-expr.cc
@@ -150,6 +150,14 @@ TypeCheckExpr::visit (HIR::TupleExpr &expr)
void
TypeCheckExpr::visit (HIR::ReturnExpr &expr)
{
+ if (!context->have_function_context ())
+ {
+ rust_error_at (expr.get_locus (),
+ "return statement outside of function body");
+ infered = new TyTy::ErrorType (expr.get_mappings ().get_hirid ());
+ return;
+ }
+
auto fn_return_tyty = context->peek_return_type ();
location_t expr_locus = expr.has_return_expr ()
? expr.get_expr ()->get_locus ()
diff --git a/gcc/testsuite/rust/compile/issue-2477.rs b/gcc/testsuite/rust/compile/issue-2477.rs
new file mode 100644
index 0000000..26831a6
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-2477.rs
@@ -0,0 +1,3 @@
+const FOO: u32 = return 0;
+// { dg-error "return statement outside of function body" "" { target *-*-* } .-1 }
+// { dg-error "expected .u32. got" "" { target *-*-* } .-2 }