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authorRyutaro Okada <1015ryu88@gmail.com>2025-03-30 09:28:41 -0700
committerArthur Cohen <arthur.cohen@embecosm.com>2025-04-08 10:17:11 +0200
commitdb5a399d13b7fdafb7eaa7d299db777615ff0be2 (patch)
tree5506fc847c2fb4a8198b7306bac659d16e84c92d /gcc/rust/backend
parente33b62eed7fd0a82d758b23252d288585b6790d2 (diff)
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gccrs: Evaluate the enum's discriminant in a const context
gcc/rust/ChangeLog: * backend/rust-compile-resolve-path.cc: Evaluate the enum's discriminant in a const context gcc/testsuite/ChangeLog: * rust/compile/enum_discriminant1.rs: New test. Signed-off-by: Ryutaro Okada <1015ryu88@gmail.com>
Diffstat (limited to 'gcc/rust/backend')
-rw-r--r--gcc/rust/backend/rust-compile-resolve-path.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/rust/backend/rust-compile-resolve-path.cc b/gcc/rust/backend/rust-compile-resolve-path.cc
index 115dd04..3cb1eb6 100644
--- a/gcc/rust/backend/rust-compile-resolve-path.cc
+++ b/gcc/rust/backend/rust-compile-resolve-path.cc
@@ -105,7 +105,9 @@ ResolvePathRef::attempt_constructor_expression_lookup (
// make the ctor for the union
HIR::Expr &discrim_expr = variant->get_discriminant ();
+ ctx->push_const_context ();
tree discrim_expr_node = CompileExpr::Compile (discrim_expr, ctx);
+ ctx->pop_const_context ();
tree folded_discrim_expr = fold_expr (discrim_expr_node);
tree qualifier = folded_discrim_expr;