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| author | Philip Herron <herron.philip@googlemail.com> | 2024-02-03 16:32:13 +0000 |
|---|---|---|
| committer | Arthur Cohen <arthur.cohen@embecosm.com> | 2024-02-07 12:40:22 +0100 |
| commit | 1c649ac36f1eab8094fb0a697c001e064c031ac1 (patch) | |
| tree | 19b0261d51cd86b1a0fb5b24d4351efb563d16a0 /gcc/rust | |
| parent | 9fecac88d3ce37d3c2c483ea712e48baf904f27b (diff) | |
| download | gcc-1c649ac36f1eab8094fb0a697c001e064c031ac1.zip gcc-1c649ac36f1eab8094fb0a697c001e064c031ac1.tar.gz gcc-1c649ac36f1eab8094fb0a697c001e064c031ac1.tar.bz2 | |
gccrs: Fix ICE accessing empty vector without check
Fixes #2747
gcc/rust/ChangeLog:
* typecheck/rust-tyty-subst.cc (SubstitutionRef::get_mappings_from_generic_args): fix
gcc/testsuite/ChangeLog:
* rust/compile/issue-2747.rs: New test.
Diffstat (limited to 'gcc/rust')
| -rw-r--r-- | gcc/rust/typecheck/rust-tyty-subst.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/rust/typecheck/rust-tyty-subst.cc b/gcc/rust/typecheck/rust-tyty-subst.cc index 0a8340e..5a75356 100644 --- a/gcc/rust/typecheck/rust-tyty-subst.cc +++ b/gcc/rust/typecheck/rust-tyty-subst.cc @@ -660,7 +660,8 @@ SubstitutionRef::get_mappings_from_generic_args ( if (args.get_type_args ().size () + offs > substitutions.size ()) { rich_location r (line_table, args.get_locus ()); - r.add_range (substitutions.front ().get_param_locus ()); + if (!substitutions.empty ()) + r.add_range (substitutions.front ().get_param_locus ()); rust_error_at ( r, |