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| -rw-r--r-- | crates/hir-ty/src/display.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/crates/hir-ty/src/display.rs b/crates/hir-ty/src/display.rs index 61d6265045..b3760e3a38 100644 --- a/crates/hir-ty/src/display.rs +++ b/crates/hir-ty/src/display.rs @@ -795,6 +795,14 @@ fn render_const_scalar( let Some(bytes) = memory_map.get(addr, size_one * count) else { return f.write_str("<ref-data-not-available>"); }; + let expected_len = count * size_one; + if bytes.len() < expected_len { + never!( + "Memory map size is too small. Expected {expected_len}, got {}", + bytes.len(), + ); + return f.write_str("<layout-error>"); + } f.write_str("&[")?; let mut first = true; for i in 0..count { |