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Merged
merged 5 commits into from
Feb 13, 2019
Merged

Smowton/fix/type equality improvements #4173

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442afaf
Value-set: compare against real type, not followed type
smowton Feb 12, 2019
8042de6
Fix terminology now that base_type_eq no longer exists
smowton Feb 13, 2019
ab8576d
Remove use of base_type_eq in disabled code
smowton Feb 13, 2019
34ad736
Remove comment that no longer applies
smowton Feb 13, 2019
9695279
Remove use of type_eq in disabled code
smowton Feb 13, 2019
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5 changes: 2 additions & 3 deletions src/goto-programs/link_goto_model.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -118,13 +118,12 @@ static bool link_functions(
const irep_idt &id = to_symbol_expr(symbol.value).get_identifier();

#if 0
if(!base_type_eq(symbol.type, ns.lookup(id).type, ns))
if(symbol.type != ns.lookup(id).type)
{
std::cerr << symbol << '\n';
std::cerr << ns.lookup(id) << '\n';
}
INVARIANT(base_type_eq(symbol.type, ns.lookup(id).type, ns),
"type matches");
INVARIANT(symbol.type == ns.lookup(id).type, "type matches");
#endif
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I'd say you can just remove this code.


macro_application.insert_expr(symbol.name, id);
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4 changes: 2 additions & 2 deletions src/pointer-analysis/value_set.cpp
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Expand Up @@ -1156,10 +1156,10 @@ void value_sett::assign(
}
else
{
if(rhs.type() != type)
if(rhs.type() != lhs.type())
throw "value_sett::assign type mismatch: "
"rhs.type():\n"+rhs.type().pretty()+"\n"+
"type:\n"+type.pretty();
"lhs.type():\n"+lhs.type().pretty();

rhs_member=make_member(rhs, name, ns);

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4 changes: 2 additions & 2 deletions src/solvers/flattening/boolbv_equality.cpp
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Expand Up @@ -17,9 +17,9 @@ Author: Daniel Kroening, [email protected]

literalt boolbvt::convert_equality(const equal_exprt &expr)
{
const bool is_base_type_eq = expr.lhs().type() == expr.rhs().type();
const bool equality_types_match = expr.lhs().type() == expr.rhs().type();
DATA_INVARIANT_WITH_DIAGNOSTICS(
is_base_type_eq,
equality_types_match,
"types of expressions on each side of equality should match",
irep_pretty_diagnosticst{expr.lhs()},
irep_pretty_diagnosticst{expr.rhs()});
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