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Fix #11351 Assert failure in templatesimplifier.cpp (#4552)

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chrchr-github 2022-10-16 19:34:25 +02:00 committed by GitHub
parent 221873e69f
commit c6c339a3e7
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2 changed files with 2 additions and 1 deletions
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2
lib/templatesimplifier.cpp
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@ -438,7 +438,7 @@ unsigned int TemplateSimplifier::templateParameters(const Token *tok)
// Skip variadic types (Ticket #5774, #6059, #6172)
if (Token::simpleMatch(tok, "...")) {
if ((tok->previous()->isName() && !Token::Match(tok->tokAt(-2), "<|,|::")) ||
(!tok->previous()->isName() && tok->strAt(-1) != ">"))
(!tok->previous()->isName() && !Token::Match(tok->previous(), ">|&")))
return 0; // syntax error
tok = tok->next();
if (!tok)

1
test/testsimplifytemplate.cpp
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@ -5297,6 +5297,7 @@ private:
ASSERT_EQUALS(4U, templateParameters("template<template<typename>...Foo,int,template<template<template<typename>>>,int> x;"));
ASSERT_EQUALS(2U, templateParameters("template<typename S, enable_if_t<(is_compile_string<S>::value), int>> void i(S s);"));
ASSERT_EQUALS(2U, templateParameters("template<typename c, b<(c::d), int>> void e();"));
ASSERT_EQUALS(3U, templateParameters("template <class T, class... Args, class Tup = std::tuple<Args&...>> constexpr void f() {}")); // #11351
}
// Helper function to unit test TemplateSimplifier::getTemplateNamePosition