Test C compiler compatibility

implement a new CGIR and C code generator #644

Triggered via pull request October 14, 2025 01:58

zerbina

synchronize #1625

zerbina:new-code-gen-architecture

Status Failure

Total duration 15m 9s

Artifacts 1

compatibility.yml

on: pull_request

Build binaries with most recent GCC version

7m 55s

Matrix: test

All C compatibility tests passed

Annotations

14 errors and 30 warnings

Test the compiler and standard library (Batch 0): tests/misc/ttlsemulation.nim c#L0

Category: misc Name: tests/misc/ttlsemulation.nim c Action: run Result: reUnexpectedSuccess -------- Expected ------- --------- Given -------- -------------------------

Test the compiler and standard library (Batch 0): tests/misc/ttlsemulation.nim c#L0

Category: misc Name: tests/misc/ttlsemulation.nim c Action: run Result: reUnexpectedSuccess -------- Expected ------- --------- Given -------- -------------------------

Test the compiler and standard library (Batch 0): tests/misc/trunner.nim c#L0

Category: misc Name: tests/misc/trunner.nim c Action: run Result: reExitcodesDiffer -------- Expected ------- exitcode: 0 --------- Given -------- exitcode: 1 Output: trunner.nim(139) trunner trunner.nim(45) runNimCmdChk assertions.nim(35) failedAssertImpl assertions.nim(25) raiseAssert fatal.nim(50) sysFatal Error: unhandled exception: trunner.nim(45, 12) `status2 == status` ("misc/msizeof5.nim", "-d:checkAbi", 0, 1) /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:43:8: error: redefinition of ‘struct Foo1’ 43 | struct Foo1{ | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:23:8: note: originally defined here 23 | struct Foo1{ | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:46:8: error: redefinition of ‘struct Foo2’ 46 | struct Foo2{ | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:26:8: note: originally defined here 26 | struct Foo2{ | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:49:6: error: redeclaration of ‘enum Foo3’ 49 | enum Foo3{k1, k2}; | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:29:6: note: originally defined here 29 | enum Foo3{k1, k2}; | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:49:11: error: redeclaration of enumerator ‘k1’ 49 | enum Foo3{k1, k2}; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:29:11: note: previous definition of ‘k1’ with type ‘enum Foo3’ 29 | enum Foo3{k1, k2}; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:49:15: error: redeclaration of enumerator ‘k2’ 49 | enum Foo3{k1, k2}; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:29:15: note: previous definition of ‘k2’ with type ‘enum Foo3’ 29 | enum Foo3{k1, k2}; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:51:14: error: redeclaration of ‘enum Foo4’ 51 | typedef enum Foo4{k3, k4} Foo4; | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:31:14: note: originally defined here 31 | typedef enum Foo4{k3, k4} Foo4; | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:51:19: error: redeclaration of enumerator ‘k3’ 51 | typedef enum Foo4{k3, k4} Foo4; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:31:19: note: previous definition of ‘k3’ with type ‘enum Foo4’ 31 | typedef enum Foo4{k3, k4} Foo4; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:51:23: error: redeclaration of enumerator ‘k4’ 51 | typedef enum Foo4{k3, k4} Foo4; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:31:23: note: previous definition of ‘k4’ with type ‘enum Foo4’ 31 | typedef enum Foo4{k3, k4} Foo4; | ^~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:55:16: error: redefinition of ‘struct Foo6’ 55 | typedef struct Foo6{ | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:35:16: note: originally defined here 35 | typedef struct Foo6{ | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:60:3: error: conflicting types for ‘Foo6’; have ‘struct Foo6’ 60 | } Foo6; | ^~~~ /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c:40:3: note: previous declaration of ‘Foo6’ with type ‘Foo6’ 40 | } Foo6; | ^~~~ execution of an external program 'gcc -c -w -fmax-errors=3 -fmax-errors=100 -I/home/runner/work/nimskull/nimskull/lib -I/home/runner/work/nimskull/nimskull/tests/misc -o /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c.o /home/runner/.cache/nimskull/msizeof5_d/@mmsizeof5.nim.c' failed with exit code '1' [AssertionDefect] -------------------------

Test the compiler and standard library (Batch 0): megatest#L0

Test failed

Test the compiler and standard library (Batch 0)

Process completed with exit code 1.

Test the compiler and standard library (Batch 1): tests/vm/tvmmisc.nim c#L0

Test failed

Test the compiler and standard library (Batch 1): tests/misc/tapp_lib_staticlib.nim c#L0

Category: misc Name: tests/misc/tapp_lib_staticlib.nim c Action: run Result: reExitcodesDiffer -------- Expected ------- exitcode: 0 --------- Given -------- exitcode: 1 Output: Hint: gc: orc; opt: none (DEBUG BUILD, `-d: release` generates faster code); 15159 lines; 10.9s; 22.844MiB peakmem; proj: tapp_lib_staticlib; out: libD20210205T172314.a [SuccessX] /home/runner/.cache/nimskull/tapp_lib_staticlib_d/stdlib_system.nim.c:696:36: error: redefinition of ‘NimMainInit’ 696 | /*PROCSECTION*/void NIM_POSIX_INIT NimMainInit() { NimMain(); } | ^~~~~~~~~~~ /home/runner/.cache/nimskull/tapp_lib_staticlib_d/stdlib_system.nim.c:695:36: note: previous definition of ‘NimMainInit’ with type ‘void()’ 695 | /*PROCSECTION*/void NIM_POSIX_INIT NimMainInit() { NimMain(); } | ^~~~~~~~~~~ execution of an external program 'gcc -c -w -fmax-errors=3 -fPIC -I/home/runner/work/nimskull/nimskull/lib -I/home/runner/work/nimskull/nimskull/tests/misc -o /home/runner/.cache/nimskull/tapp_lib_staticlib_d/stdlib_system.nim.c.o /home/runner/.cache/nimskull/tapp_lib_staticlib_d/stdlib_system.nim.c' failed with exit code '1' tapp_lib_staticlib.nim(27) tapp_lib_staticlib tapp_lib_staticlib.nim(24) test tapp_lib_staticlib.nim(18) runCmd assertions.nim(35) failedAssertImpl assertions.nim(25) raiseAssert fatal.nim(50) sysFatal Error: unhandled exception: tapp_lib_staticlib.nim(18, 14) `execShellCmd(cmd) == 0` /home/runner/work/nimskull/nimskull/bin/nim c -o:/home/runner/work/nimskull/nimskull/build/libD20210205T172720.so --nomain --app:lib -d:case2 -f /home/runner/work/nimskull/nimskull/tests/misc/tapp_lib_staticlib.nim [AssertionDefect] -------------------------

Test the compiler and standard library (Batch 1): megatest#L0

Test failed

Test the compiler and standard library (Batch 1): tests/dll/visibility.nim c -d:release#L0

Category: dll Name: tests/dll/visibility.nim c -d:release Action: run Result: reOutputsDiffer -------- Expected ------- --------- Given -------- exported is not exported exported_thr is not exported exported_func is not exported -------------------------

Test the compiler and standard library (Batch 1): tests/dll/visibility.nim c -d:release --app:lib#L0

Test failed

Test the compiler and standard library (Batch 1): tests/dll/visibility.nim c#L0

Category: dll Name: tests/dll/visibility.nim c Action: run Result: reOutputsDiffer -------- Expected ------- --------- Given -------- exported is not exported exported_thr is not exported exported_func is not exported -------------------------

Test the compiler and standard library (Batch 1): tests/dll/visibility.nim c --app:lib#L0

Test failed

Test the compiler and standard library (Batch 1)

Process completed with exit code 1.

All C compatibility tests passed

Process completed with exit code 1.

Build binaries with most recent GCC version: compiler/sem/transf.nim#L1318

workaround for sem not sanitizing AST; transformDefSym is deprecated [Deprecated]

Build binaries with most recent GCC version: compiler/utils/astrepr.nim#L1314

DEBUG proc, do not use in the final build!; inDebug is deprecated [Deprecated]

Build binaries with most recent GCC version: compiler/utils/astrepr.nim#L1263