2025-10-26 Philipp Klaus Krause * Merge undefined branch. 2025-10-26 Philipp Klaus Krause * src/SDCCerr.c, src/SDCCerr.h, src/SDCCmain.c, src/SDCCsymt.c, support/valdiag/tests/undefinedc23.c, support/regression/tests/gcc-torture-execute-930526-1.c: Implement N3244 resolution for C23 UB for extern inline declarations without definition in same translation unit. * support/regression/MakeList: Disable test that won't work on targets with 16-bit int. * .version, doc/sdccman.lyx: Document where C23 UB resolution affects SDCC compatibility with previous versions. 2025-10-26 Philipp Klaus Krause * src/SDCCerr.c, src/SDCCerr.h, src/SDCCmem.c, support/valdiag/tests/undefinedc23.c: Implement N3244 resolution for C23 UB for objects with no linage of incomplete types. 2025-10-26 Philipp Klaus Krause * src/SDCCerr.c src/SDCCerr.h, src/SDCCsymt.c, src/SDCCsymt.h, support/valdiag/tests/undefinedc23.c: Implement N3410 resolution for C23 UB on same identifier with internal and external linkage. 2025-10-26 Philipp Klaus Krause * doc/sdccman.lyx, src/SDCC.y, src/SDCCerr.c, src/SDCCerr.h, src/SDCCsymt.c, support/valdiag/tests/struct.c: Implement N3341 resolution for C23 UB on struct/union with unnamed members only, and fix relted diagnostics regarding unnamed struct/union members, including bug #3887. 2025-10-25 Philipp Klaus Krause * src/SDCC.y, src/SDCCerr.c, src/SDCCerr.h, support/regression/tests/bug-2031.c, support/regression/tests/bug-2983.c, support/regression/tests/undefinedc23.c, support/valdiag/tests/bug-3891.c: Fix bug #3891. Implement N3344 resolution for C23 UB. 2025-10-25 Philipp Klaus Krause * src/SDCC.y, src/SDCCast.c, src/SDCCicode.c, src/SDCCmem.c, src/SDCCsymt.c, src/SDCCsymt.h, support/valdiag/tests/bug-3889.c: Fix remaining parts of bug #3889. 2025-10-25 Philipp Klaus Krause * src/SDCCast.c, src/SDCCerr.c, src/SDCCerr.h, support/valdiag/tests/bug-3890.c: Fix bug #3890. 2025-10-23 Philipp Klaus Krause * src/SDCCsymt.c, support/valdiag/tests/bug-3889.c: Fix part of bug #3889. 2025-10-22 Philipp Klaus Krause * support/valdiag/tests/undefinedc23.c: Test cases for N3341 resolution for C23 UB (which becomes implementation-defined). 2025-10-22 Philipp Klaus Krause * doc/sdccman.lyx, src/SDCCerr.c, src/SDCCerr.h, src/SDCCsymt.c, support/valdiag/tests/undefinedc23.c: Implement N3623 resolution for C23 UB, (unless a custom crt0 is used). 2025-10-22 Philipp Klaus Krause * Makefile.common.in, aclocal.m4,