================
@@ -169,6 +169,12 @@ def ext_c2y_generic_with_type_arg : Extension<
def warn_c2y_compat_generic_with_type_arg : Warning<
"passing a type argument as the first operand to '_Generic' is incompatible "
"with C standards before C2y">, InGroup<CPre2yCompat>, DefaultIgnore;
+def warn_c2y_compat_init_statement : Warning<
+ "%select{if|switch}0 initialization statements are incompatible with "
+ "C standards before C2y">, DefaultIgnore, InGroup<CPre2yCompat>;
+def ext_c2y_init_statement : ExtWarn<
----------------
AaronBallman wrote:
```suggestion
def ext_c2y_init_statement : Extension<
```
Is there a reason we want this extension warning on by default?
https://github.com/llvm/llvm-project/pull/198244
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