[pushed] c++: Fix demangling of x.operator type
Jason Merrill
jason@redhat.com
Mon Dec 21 20:45:44 GMT 2020
d_operator_name decides whether "cv" indicates a cast or a conversion
operator based on is_expression. "on" specifies that we want the conversion
operator.
libiberty/ChangeLog:
* cp-demangle.c (d_unqualified_name): Clear is_expression.
* testsuite/demangle-expected: Add tests.
---
libiberty/cp-demangle.c | 8 +++++++-
libiberty/testsuite/demangle-expected | 6 ++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c
index a9f8e759ff5..96f43b65ad6 100644
--- a/libiberty/cp-demangle.c
+++ b/libiberty/cp-demangle.c
@@ -1632,9 +1632,15 @@ d_unqualified_name (struct d_info *di)
ret = d_source_name (di);
else if (IS_LOWER (peek))
{
+ int was_expr = di->is_expression;
if (peek == 'o' && d_peek_next_char (di) == 'n')
- d_advance (di, 2);
+ {
+ d_advance (di, 2);
+ /* Treat cv as naming a conversion operator. */
+ di->is_expression = 0;
+ }
ret = d_operator_name (di);
+ di->is_expression = was_expr;
if (ret != NULL && ret->type == DEMANGLE_COMPONENT_OPERATOR)
{
di->expansion += sizeof "operator" + ret->u.s_operator.op->len - 2;
diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
index 4ad9da82f2c..6e3e6716def 100644
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@@ -1476,3 +1476,9 @@ void f<int>(decltype (__alignof__(int)))
_Z1fIiEvDTv111__alignof__tlT_EE
void f<int>(decltype (__alignof__(int{})))
+
+_Z1gI1AEv1SIXadsrT_oncviEE
+void g<A>(S<&A::operator int>)
+
+_Z1jI1AEDTcldtfp_oncvPT_EES1_
+decltype (({parm#1}.(operator A*))()) j<A>(A)
base-commit: 1b021bbd85a79c9d16c1359cbc23b608685dfd9f
--
2.27.0
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