https://gcc.gnu.org/g:6e4573a34e12980299505644b89818cecc9f78b0
commit 6e4573a34e12980299505644b89818cecc9f78b0
Author: Arthur Cohen <arthur.co...@embecosm.com>
Date: Mon Feb 24 12:16:11 2025 +0100
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 02fac9af7e91..ce8a20e60941 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
