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[ItaniumDemangle] Unconditionally parse substitution template arguments #131970

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[ItaniumDemangle] Unconditionally parse substitution template arguments #131970

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6 changes: 3 additions & 3 deletions libcxxabi/src/demangle/ItaniumDemangle.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4626,10 +4626,10 @@ Node *AbstractManglingParser<Derived, Alloc>::parseType() {
// <template-template-param> ::= <template-param>
// ::= <substitution>
//
// If this is followed by some <template-args>, and we're permitted to
// parse them, take the second production.
// If this is followed by some <template-args>, take the second
// production.

if (look() == 'I' && (!IsSubst || TryToParseTemplateArgs)) {
if (look() == 'I') {
if (!IsSubst)
Subs.push_back(Result);
Node *TA = getDerived().parseTemplateArgs();
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1 change: 1 addition & 0 deletions libcxxabi/test/test_demangle.pass.cpp
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Expand Up @@ -30247,6 +30247,7 @@ const char* cases[][2] = {
{"_Z1fDSDRm", "f(_Sat unsigned long _Fract)"},

{"_Z11bfloat16addDF16bDF16b", "bfloat16add(std::bfloat16_t, std::bfloat16_t)"},
{"_ZNK4llvm11SmallStringILj16EEcvNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEv", "llvm::SmallString<16u>::operator std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>() const"},
// clang-format on
};

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6 changes: 3 additions & 3 deletions llvm/include/llvm/Demangle/ItaniumDemangle.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4626,10 +4626,10 @@ Node *AbstractManglingParser<Derived, Alloc>::parseType() {
// <template-template-param> ::= <template-param>
// ::= <substitution>
//
// If this is followed by some <template-args>, and we're permitted to
// parse them, take the second production.
// If this is followed by some <template-args>, take the second
// production.

if (look() == 'I' && (!IsSubst || TryToParseTemplateArgs)) {
if (look() == 'I') {
if (!IsSubst)
Subs.push_back(Result);
Node *TA = getDerived().parseTemplateArgs();
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