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fix: ICE when parsing unterminated raw byte strings #3812

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Merged
CohenArthur merged 1 commit into from
Jun 9, 2025
Merged

fix: ICE when parsing unterminated raw byte strings #3812

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10 changes: 5 additions & 5 deletions gcc/rust/lex/rust-lex.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1894,18 +1894,18 @@ Lexer::parse_raw_byte_string (location_t loc)
break;
}
}
else if (current_char.is_eof ())
{
rust_error_at (string_begin_locus, "unended raw byte string literal");
return Token::make (END_OF_FILE, get_current_location ());
}
else if (current_char.value > 127)
{
rust_error_at (get_current_location (),
"character %<%s%> in raw byte string out of range",
current_char.as_string ().c_str ());
current_char = 0;
}
else if (current_char.is_eof ())
{
rust_error_at (string_begin_locus, "unended raw byte string literal");
return Token::make (END_OF_FILE, get_current_location ());
}

length++;
current_column++;
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6 changes: 6 additions & 0 deletions gcc/testsuite/rust/compile/torture/unended-raw-byte-string.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
// { dg-excess-errors "...." }
fn main() {
// { dg-error "unended raw byte string literal" "" { target *-*-* } .+1 }
let s = br##"123"#
}