Source: sparse Version: 0.6.0-1 Severity: serious Tags: ftbfs https://buildd.debian.org/status/package.php?p=sparse
...
TEST predefined macros for LP64 (preprocessor/predef-lp64.c)
Using command : test-linearize -Wno-decl -m64 $file
Expecting exit value: 0
error: test 'preprocessor/predef-lp64.c' failed
error: Pattern 'ret\..*\$0' unexpectedly absent
...
KO: out of 584 tests, 527 passed, 57 failed
56 of them are known to fail
43 tests were disabled
make[2]: *** [Makefile:230: check] Error 1
