remove error set casting syntax. add `@errSetCast`

See #1061

1 files changed, 9 insertions, 0 deletions

diff --git a/src/all_types.hpp b/src/all_types.hpp
index d94dfa0fcb..732af239e2 100644
--- a/src/all_types.hpp
+++ b/src/all_types.hpp
@@ -1359,6 +1359,7 @@ enum BuiltinFnId {
     BuiltinFnIdTruncate,
     BuiltinFnIdIntCast,
     BuiltinFnIdFloatCast,
+    BuiltinFnIdErrSetCast,
     BuiltinFnIdIntToFloat,
     BuiltinFnIdFloatToInt,
     BuiltinFnIdBoolToInt,
@@ -2121,6 +2122,7 @@ enum IrInstructionId {
     IrInstructionIdMergeErrRetTraces,
     IrInstructionIdMarkErrRetTracePtr,
     IrInstructionIdSqrt,
+    IrInstructionIdErrSetCast,
 };
 
 struct IrInstruction {
@@ -2656,6 +2658,13 @@ struct IrInstructionFloatCast {
     IrInstruction *target;
 };
 
+struct IrInstructionErrSetCast {
+    IrInstruction base;
+
+    IrInstruction *dest_type;
+    IrInstruction *target;
+};
+
 struct IrInstructionIntToFloat {
     IrInstruction base;