https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114548
--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Gaius Mulley <ga...@gcc.gnu.org>: https://gcc.gnu.org/g:4bd2f59af4a78cdc80039cffa51c1d9ad91081a3 commit r14-9739-g4bd2f59af4a78cdc80039cffa51c1d9ad91081a3 Author: Gaius Mulley <gaiusm...@gmail.com> Date: Mon Apr 1 19:18:36 2024 +0100 PR modula2/114548 gm2 fails to identify variable in a const expression This patch introduces stricter checking within standard procedure functions which detect whether paramaters are variable when used in a const expression. gcc/m2/ChangeLog: PR modula2/114548 * gm2-compiler/M2Quads.mod (ConvertToAddress): Pass procedure, false parameters to BuildConvertFunction. (PushOne): Pass procedure, true parameters to BuildConvertFunction. Remove usused parameter internal. (BuildPseudoBy): Remove parameter to PushOne. (BuildIncProcedure): Ditto. (BuildDecProcedure): Ditto. (BuildFunctionCall): Add ConstExpr parameter to BuildPseudoFunctionCall. (BuildConstFunctionCall): Add procedure and true to BuildConvertFunction. (BuildPseudoFunctionCall): Add ConstExpr parameter. Pass ProcSym and ConstExpr to BuildLengthFunction, BuildConvertFunction, BuildOddFunction, BuildAbsFunction, BuildCapFunction, BuildValFunction, BuildChrFunction, BuildOrdFunction, BuildIntFunction, BuildTruncFunction, BuildFloatFunction, BuildAddAdrFunction, BuildSubAdrFunction, BuildDifAdrFunction, BuildCastFunction, BuildReFunction, BuildImFunction and BuildCmplxFunction. (BuildAddAdrFunction): Add ProcSym, ConstExpr parameters and check for constant parameters. (BuildSubAdrFunction): Ditto. (BuildDifAdrFunction): Ditto. (ConstExprError): Ditto. (BuildLengthFunction): Ditto. (BuildOddFunction): Ditto. (BuildAbsFunction): Ditto. (BuildCapFunction): Ditto. (BuildChrFunction): Ditto. (BuildOrdFunction): Ditto. (BuildIntFunction): Ditto. (BuildValFunction): Ditto. (BuildCastFunction): Ditto. (BuildConvertFunction): Ditto. (BuildTruncFunction): Ditto. (BuildFloatFunction): Ditto. (BuildReFunction): Ditto. (BuildImFunction): Ditto. (BuildCmplxFunction): Ditto. gcc/testsuite/ChangeLog: PR modula2/114548 * gm2/iso/const/fail/expression.mod: New test. * gm2/iso/const/fail/iso-const-fail.exp: New test. * gm2/iso/const/fail/testabs.mod: New test. * gm2/iso/const/fail/testaddadr.mod: New test. * gm2/iso/const/fail/testcap.mod: New test. * gm2/iso/const/fail/testcap2.mod: New test. * gm2/iso/const/fail/testchr.mod: New test. * gm2/iso/const/fail/testchr2.mod: New test. * gm2/iso/const/fail/testcmplx.mod: New test. * gm2/iso/const/fail/testfloat.mod: New test. * gm2/iso/const/fail/testim.mod: New test. * gm2/iso/const/fail/testint.mod: New test. * gm2/iso/const/fail/testlength.mod: New test. * gm2/iso/const/fail/testodd.mod: New test. * gm2/iso/const/fail/testord.mod: New test. * gm2/iso/const/fail/testre.mod: New test. * gm2/iso/const/fail/testtrunc.mod: New test. * gm2/iso/const/fail/testval.mod: New test. * gm2/iso/const/pass/constbool.mod: New test. * gm2/iso/const/pass/constbool2.mod: New test. * gm2/iso/const/pass/constbool3.mod: New test. Signed-off-by: Gaius Mulley <gaiusm...@gmail.com>