Add range-based error messages to `-verbose-errors`

Example:
Cannot convert '(1 + 2)' to 'untyped bool' from 'untyped integer'

	x := (1 + 2) * true;
	     ^~~~~~^

1 files changed, 1 insertions, 1 deletions

diff --git a/src/check_stmt.cpp b/src/check_stmt.cpp
index a62b55ab2..64d17a8c8 100644
--- a/src/check_stmt.cpp
+++ b/src/check_stmt.cpp
@@ -7,7 +7,7 @@ bool is_diverging_stmt(Ast *stmt) {
 		return false;
 	}
 	if (expr->CallExpr.proc->kind == Ast_BasicDirective) {
-		String name = expr->CallExpr.proc->BasicDirective.name;
+		String name = expr->CallExpr.proc->BasicDirective.name.string;
 		return name == "panic";
 	}
 	Ast *proc = unparen_expr(expr->CallExpr.proc);