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-rw-r--r--frontends/ast/simplify.cc5
1 files changed, 1 insertions, 4 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 71eba547..aa3b982d 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -1836,7 +1836,7 @@ skip_dynamic_range_lvalue_expansion:;
goto apply_newNode;
}
- if (str == "\\$stable" || str == "\\$rose" || str == "\\$fell" || str == "\\$changed")
+ if (str == "\\$stable" || str == "\\$rose" || str == "\\$fell")
{
if (GetSize(children) != 1)
log_file_error(filename, linenum, "System function %s got %d arguments, expected 1.\n",
@@ -1853,9 +1853,6 @@ skip_dynamic_range_lvalue_expansion:;
if (str == "\\$stable")
newNode = new AstNode(AST_EQ, past, present);
- else if (str == "\\$changed")
- newNode = new AstNode(AST_NE, past, present);
-
else if (str == "\\$rose")
newNode = new AstNode(AST_LOGIC_AND, new AstNode(AST_LOGIC_NOT, past), present);