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author | Dave <dme2223@gmail.com> | 2022-12-19 10:59:00 -0600 |
---|---|---|
committer | Arthur Cohen <arthur.cohen@embecosm.com> | 2023-04-06 10:47:16 +0200 |
commit | d9e05700ac3085f29e95d53b3ec59c22adbc7c71 (patch) | |
tree | eb8b097393929fe9fd7ce3ef4abe4405085bb67c /gcc | |
parent | 776ff053800ad989564b0b3c2904fb072abaf422 (diff) | |
download | gcc-d9e05700ac3085f29e95d53b3ec59c22adbc7c71.zip gcc-d9e05700ac3085f29e95d53b3ec59c22adbc7c71.tar.gz gcc-d9e05700ac3085f29e95d53b3ec59c22adbc7c71.tar.bz2 |
gccrs: Check for mutable references in const functions
Use StackedContext instead. Fix error string
Signed-off-by: Dave Evans <dave@dmetwo.org>
(Squashed commits) Check for mutable references in const functions using StackedContext
gcc/rust/ChangeLog:
* checks/errors/rust-const-checker.cc (ConstChecker::visit): Use StackedContext
class.
gcc/testsuite/ChangeLog:
* rust/compile/const10.rs: New test.
Signed-off-by: Dave Evans <dave@dmetwo.org>
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/rust/checks/errors/rust-const-checker.cc | 8 | ||||
-rw-r--r-- | gcc/testsuite/rust/compile/const10.rs | 3 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/rust/checks/errors/rust-const-checker.cc b/gcc/rust/checks/errors/rust-const-checker.cc index 576c1b1..7e31c9f 100644 --- a/gcc/rust/checks/errors/rust-const-checker.cc +++ b/gcc/rust/checks/errors/rust-const-checker.cc @@ -898,8 +898,12 @@ ConstChecker::visit (RawPointerType &) {} void -ConstChecker::visit (ReferenceType &) -{} +ConstChecker::visit (ReferenceType &type) +{ + if (const_context.is_in_context () && type.is_mut ()) + rust_error_at (type.get_locus (), + "mutable references are not allowed in constant functions"); +} void ConstChecker::visit (ArrayType &type) diff --git a/gcc/testsuite/rust/compile/const10.rs b/gcc/testsuite/rust/compile/const10.rs new file mode 100644 index 0000000..9ab8274 --- /dev/null +++ b/gcc/testsuite/rust/compile/const10.rs @@ -0,0 +1,3 @@ +const fn foo (a: &mut i32) { // { dg-error "mutable references are not allowed in constant functions" } + *a = 1; +} |