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| author | Philip Herron <philip.herron@embecosm.com> | 2022-08-26 20:52:35 +0100 |
|---|---|---|
| committer | Arthur Cohen <arthur.cohen@embecosm.com> | 2023-01-31 14:16:50 +0100 |
| commit | 245ce6f26a1688ad69a1802ec50fa865db409eec (patch) | |
| tree | 5f786306606c736a33ca3b9bd8a9f2bf9b68f9a6 | |
| parent | 3663d7ef66624b267114db5c59a959cdc7816aaa (diff) | |
| download | gcc-245ce6f26a1688ad69a1802ec50fa865db409eec.zip gcc-245ce6f26a1688ad69a1802ec50fa865db409eec.tar.gz gcc-245ce6f26a1688ad69a1802ec50fa865db409eec.tar.bz2 | |
gccrs: Add guards against getting data from an empty vector
gcc/rust/ChangeLog:
* typecheck/rust-tyctx.cc (TypeCheckContext::pop_return_type): Add
guards around `std::vector<T>.pop_back()`.
(TypeCheckContext::peek_context): Likewise for `std::vector<T>.back()`.
| -rw-r--r-- | gcc/rust/typecheck/rust-tyctx.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/rust/typecheck/rust-tyctx.cc b/gcc/rust/typecheck/rust-tyctx.cc index ad5f67c..af86b06 100644 --- a/gcc/rust/typecheck/rust-tyctx.cc +++ b/gcc/rust/typecheck/rust-tyctx.cc @@ -142,12 +142,14 @@ TypeCheckContext::push_return_type (TypeCheckContextItem item, void TypeCheckContext::pop_return_type () { + rust_assert (!return_type_stack.empty ()); return_type_stack.pop_back (); } TypeCheckContextItem & TypeCheckContext::peek_context () { + rust_assert (!return_type_stack.empty ()); return return_type_stack.back ().first; } |