[LLVMbugs] [Bug 5062] New: builtin_trap() does not set noreturn

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5062

           Summary: builtin_trap() does not set noreturn
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Basic
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu


lev /tmp$ cat rw.c 
void foo(void) __attribute__((__noreturn__));

void foo(void)
{
   __builtin_trap();
}

lev /tmp$ gcc -c rw.c && echo yes
yes
lev /tmp$ clang -c rw.c && echo yes
rw.c:6:1: warning: function declared 'noreturn' should not return
[-Winvalid-noreturn]
}
^
1 diagnostic generated.

the attached patch fixes this.


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