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C++ front-end: support attributes with tag-less structs #8289

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Merged
merged 1 commit into from
May 25, 2024
Merged

C++ front-end: support attributes with tag-less structs #8289

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5 changes: 5 additions & 0 deletions regression/cpp/gcc_attributes2/main.cpp
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Original file line number Diff line number Diff line change
@@ -1,6 +1,11 @@
#ifdef __GNUC__
typedef int my_int16_t __attribute__((__mode__(__HI__)));
static_assert(sizeof(my_int16_t) == 2, "16 bit");

template <std::size_t _Align = __alignof__(int)>
struct __attribute__((__aligned__((_Align))))
{
} __align;
#endif

int main()
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12 changes: 6 additions & 6 deletions src/cpp/parse.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4486,6 +4486,12 @@ bool Parser::rClassSpec(typet &spec)
std::cout << std::string(__indent, ' ') << "Parser::rClassSpec 3\n";
#endif

if(!optAlignas(spec))
return false;

if(!optAttribute(spec))
return false;

if(lex.LookAhead(0)=='{')
{
// no tag
Expand All @@ -4495,12 +4501,6 @@ bool Parser::rClassSpec(typet &spec)
}
else
{
if(!optAlignas(spec))
return false;

if(!optAttribute(spec))
return false;

irept name;

if(!rName(name))
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