http://llvm.org/bugs/show_bug.cgi?id=3004
Summary: weak symbol is not weak
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
attribute(weak) doesn't turn the symbol into a weak symbol with llvm-gcc.
$ gcc foo.c -c -o foo.o
$ nm foo.o
0000000000000000 W init_IRQ
0000000000000000 T native_init_IRQ
^Correct
$ llvm-gcc foo.c -c -o foo.o
$ nm foo.o
0000000000000000 d EH_frame0
0000000000000000 T init_IRQ
0000000000000000 T native_init_IRQ
0000000000000018 d native_init_IRQ.eh
^Incorrect
/* testcase */
void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
void native_init_IRQ(void) {}
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