Audit 2.37 - #111

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Dylan-Brotherston wants to merge 55 commits into

Commits on Sep 20, 2026

tests: report failures reliably from the test runner

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f20d91c
tests: repair two broken tests and retire a non-deterministic one

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9e2c1a1
build: add make check, a static-checking gate

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2d21a34
tests: add unit tests for the pure Python logic

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a3e163f
compile: fix defects in the compiler driver

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3aacad6
explanations: fix selection, rendering and message noise

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5579408
runtime: fix the error report and the values it shows

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ee77e11
output checking: fix the explanations of incorrect output

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63e14e6
wrapper: make stack clearing proportional to the stack actually used

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dab52ba
wrapper: fix the embedded C

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031edd6
tests: update accepted output for the fixed behaviour and clang 19

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bde20e2
tests: cover the behaviour the suite was silent about

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6b362e3
docs: correct the README and the man page

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d76b127
release: stop printing the GitHub token

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2e50f0c
exit status: use one status for every error dcc detects

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ad0c9c1
tests: allow the number of tests run at once to be limited

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25d2919
compile: link the embedded Python and executable rather than compiling them

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0c09917
compile: re-use the compiled wrapper object between compilations

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90ffced
wrapper: make the embedded C ordinary C

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68ab8a7
explanations: name only the function when the compiler highlights its arguments

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e240457
tests: run the suite against every installed clang, and make that able to fail

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3265cc5
dual sanitizers: keep checking after the program prints a pointer

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4289f23
docs: say what dcc is and is not for

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2d856ce
stack overflow: recognise one oversized frame, not just deep recursion

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e3d8041
posix_spawn: report the error the program would get without valgrind

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3059b49
explanations: explain four more diagnostics, and stop misreading one

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19047e8
compiler output: collapse the include chain a cyclic #include repeats

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8719806
runtime errors: do not call pointer arithmetic a dereference

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73fb68f
compile: say why the valgrind process of a pair has no undefined behaviour sanitizer

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309a6b0
compile: try compiler-rt before giving up the undefined behaviour sanitizer

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d7d8e25
compile: report a missing python3 instead of hanging

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c106ba7
options: recognise standard input however it is named

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15e248e
options: say what is wrong when a compiled program is given as source

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87bde3c
options: say when linking an object file costs uninitialized value detection

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d9e9f36
tests: make DCC_TEST_JOBS work

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c3c00f8
explanations: do not trust what the compiler puts in its messages

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fc6c60c
C++ input: stop at end of file

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c2aaf45
options: do not overwrite a C++ source file with the program

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7207bb7

Commits on Sep 21, 2026

runtime errors: name the right function, and stop blaming assert()

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11e5871
compile: survive a broken environment instead of showing a traceback

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88b8015
dual sanitizers: raise the stream limit, and see output the checker was missing

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f69ed2d
values shown: stop recursing per character, and stop hiding initialized bytes

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be039b0
C++ streams: redirect the ones that were bypassing dcc

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aa76346
wrapper: never signal pid 0, and explain an error which happens before main

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f4a5192
output checking: judge the last line, and work under MemorySanitizer

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5f32109
valgrind: stop leaving the program waiting for a debugger, and report the leak

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6fcff1f
options: say when checking is reduced, and fix nine smaller defects

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1fb9d06
explanations: do not read the program's own text as the compiler's

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9eebe8a
output checking: check a child's output with one sanitizer too, and three messages

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401c841
gcc: report the error the sanitizer found, not a generic one

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41c9282
docs: describe the behaviour this branch changed

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b8dd32c
options: do not read an option's value as a source file

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66958c4
tests: address review feedback on diagnostics and fixtures

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fef979e
fix embedded blob exec-stack warning

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0f0c402
options: disable shared libasan by default

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b1ac492