[LLVMbugs] [Bug 4549] New: Incompatible input / output inline asm constraints in glibc code
bugzilla-daemon at cs.uiuc.edu
bugzilla-daemon at cs.uiuc.edu
Mon Jul 13 10:42:31 PDT 2009
http://llvm.org/bugs/show_bug.cgi?id=4549
Summary: Incompatible input / output inline asm constraints in
glibc code
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Backend: X86
AssignedTo: unassignedbugs at nondot.org
ReportedBy: asl at math.spbu.ru
CC: llvmbugs at cs.uiuc.edu
Consider the following C code:
#include <stdlib.h>
void foo(void) {
fd_set fdbar;
FD_ZERO(&fdbar);
}
llvm-gcc emits the following error:
1.c: In function 'foo':
1.c:5: error: unsupported inline asm: input constraint with a matching output
constraint of incompatible type!
This break Qt and (I assume) many other apps. Preprocessed source is attached.
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