https://gcc.gnu.org/g:75252f2dc9b6c3bb97afea861036392919503958
commit r15-8827-g75252f2dc9b6c3bb97afea861036392919503958
Author: Arthur Cohen <arthur.co...@embecosm.com>
Date: Mon Feb 24 12:16:11 2025 +0100
gccrs: lower: Always crash when lowering macro invocations
gcc/rust/ChangeLog:
* hir/rust-ast-lower-base.cc (ASTLoweringBase::visit): Add base
implementation
for visitor.
Diff:
---
gcc/rust/hir/rust-ast-lower-base.cc | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/gcc/rust/hir/rust-ast-lower-base.cc
b/gcc/rust/hir/rust-ast-lower-base.cc
index add02747b0ab..f38697cf316c 100644
--- a/gcc/rust/hir/rust-ast-lower-base.cc
+++ b/gcc/rust/hir/rust-ast-lower-base.cc
@@ -30,6 +30,14 @@
namespace Rust {
namespace HIR {
+// We special case lowering macro invocations as that should NEVER happen
+void
+ASTLoweringBase::visit (AST::MacroInvocation &invoc)
+{
+ rust_fatal_error (invoc.get_locus (), "rogue macro detected during
lowering");
+ rust_unreachable ();
+}
+
void
ASTLoweringBase::visit (AST::Token &)
{}
@@ -373,9 +381,6 @@ void
ASTLoweringBase::visit (AST::MacroRulesDefinition &)
{}
void
-ASTLoweringBase::visit (AST::MacroInvocation &)
-{}
-void
ASTLoweringBase::visit (AST::MetaItemPath &)
{}
void
