https://llvm.org/bugs/show_bug.cgi?id=28218
Bug ID: 28218
Summary: [LTO] Undefined symbols reported when linking old
gas(1) on FreeBSD
Product: lld
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: unassignedb...@nondot.org
Reporter: dav...@freebsd.org
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
$ sh link.sh
undefined symbol: __libc_allocate_tls
undefined symbol: __malloc
undefined symbol: __calloc
undefined symbol: __realloc
undefined symbol: __free
undefined symbol: _thread_autoinit_dummy_decl_stub
undefined symbol: __clock_gettime
undefined symbol: __raise
$ nm -print-armap ./libc.a |grep __malloc
__malloc in jemalloc_jemalloc.o
[...]
U __malloc
---------------- T __malloc
The output of llvm-dis on jemalloc_jemalloc.o shows:
module asm ".weak malloc"
module asm ".equ malloc, __malloc"
; Function Attrs: nounwind sspstrong uwtable
define noalias i8* @__malloc(i64 %size) #0 {
entry:
%tsdn = alloca %struct.tsdn_s*, align 8
%usize = alloca i64, align 8
%ut = alloca %struct.malloc_utrace_t, align 8
[...]
Repro coming (bugzilla doesn't like large attachments)
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