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An ICE would occur if a constant was declared using a variable term. This fix catches variable terms in constant expressions and generates an unrecoverable error. gcc/m2/ChangeLog: PR modula2/115957 * gm2-compiler/M2StackAddress.mod (PopAddress): Detect tail=NIL and generate an internal error. * gm2-compiler/PCBuild.bnf (InConstParameter): New variable. (InConstBlock): New variable. (ErrorString): Rewrite using MetaErrorStringT0. (ErrorArrayAt): Rewrite using MetaErrorStringT0. (WarnMissingToken): Use MetaErrorStringT0. (CompilationUnit): Set seenError FALSE. (init): Initialize InConstParameter and InConstBlock. (ConstantDeclaration): Set InConstBlock. (ConstSetOrQualidentOrFunction): Call CheckNotVar if not InConstParameter and InConstBlock. (ConstActualParameters): Set InConstParameter TRUE and restore value at the end. * gm2-compiler/PCSymBuild.def (CheckNotVar): New procedure. Remove all unnecessary export qualified list. * gm2-compiler/PCSymBuild.mod (CheckNotVar): New procedure. gcc/testsuite/ChangeLog: PR modula2/115957 * gm2/errors/fail/badconst.mod: New test. * gm2/pim/fail/tinyadr.mod: New test. Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com> |
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