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C front-end: tolerate type differences with asm renaming #7584

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C front-end: tolerate type differences with asm renaming #7584

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26 changes: 26 additions & 0 deletions regression/ansi-c/asm4/main.c
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
// from Fedora's glibc
struct dirent
{
int dummy;
};

struct dirent64
{
int dummy;
};

#ifdef __GNUC__
extern struct dirent *readdir(void *__dirp) __asm__(
""
"readdir64");
extern struct dirent64 *readdir64(void *__dirp);
#endif

int main()
{
#ifdef __GNUC__
int x;
(void)readdir(&x);
#endif
return 0;
}
8 changes: 8 additions & 0 deletions regression/ansi-c/asm4/test.desc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
CORE test-c++-front-end
main.c

^EXIT=0$
^SIGNAL=0$
--
^warning: ignoring
^CONVERSION ERROR$
2 changes: 2 additions & 0 deletions src/ansi-c/c_typecheck_base.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -646,6 +646,8 @@ void c_typecheck_baset::apply_asm_label(
{
symbol.name=asm_label;
symbol.base_name=asm_label;
if(symbol.type.id() == ID_code)
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An explaining comment would be great here.

symbol.type.set(ID_C_incomplete, true);
}

if(symbol.name!=orig_name)
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