ERROR: start_text address is c000000000009400, should be c000000000008000 #1218
Description
After llvm/llvm-project@3733463:
$ make -skj"$(nproc)" ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- LLVM=1 O=out distclean powernv_defconfig zImage.epapr
ld.lld: warning: kernel/built-in.a(panic.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: kernel/built-in.a(printk/printk.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: lib/lib.a(dump_stack.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: lib/lib.a(string.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: drivers/built-in.a(base/core.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: net/built-in.a(core/dev.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: address (0xc000000000009314) of section .text is not a multiple of alignment (256)
ld.lld: warning: kernel/built-in.a(panic.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: kernel/built-in.a(printk/printk.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: lib/lib.a(dump_stack.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: lib/lib.a(string.o):(.text.unlikely.) is being placed in '.text.unlikely.' ld.lld: warning: drivers/built-in.a(base/core.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: net/built-in.a(core/dev.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: address (0xc000000000009314) of section .text is not a multiple of alignment (256)
ld.lld: warning: kernel/built-in.a(panic.o):(.text.unlikely.) is being placed in '.text.unlikely.' ld.lld: warning: kernel/built-in.a(printk/printk.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: lib/lib.a(dump_stack.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: lib/lib.a(string.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: drivers/built-in.a(base/core.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: net/built-in.a(core/dev.o):(.text.unlikely.) is being placed in '.text.unlikely.'
ld.lld: warning: address (0xc000000000009314) of section .text is not a multiple of alignment (256)
ERROR: start_text address is c000000000009400, should be c000000000008000 ERROR: try to enable LD_HEAD_STUB_CATCH config option
ERROR: see comments in arch/powerpc/tools/head_check.sh
make[3]: *** [../arch/powerpc/Makefile.postlink:31: vmlinux] Error 1
$ git bisect log
# bad: [d4ec3346b1baf31819d20a8950ced8be8f66a408] [lld-macho][nfc] Refactor to accommodate paired relocs
# good: [70b0d152435018475516d544fd0361076533f921] [gn build] Port b9c77542e23
git bisect start 'd4ec3346b1baf31819d20a8950ced8be8f66a408' '70b0d152435018475516d544fd0361076533f921'
# good: [39584ae5b5cbc817d19499b003d4eaba259c31b5] [Debugify] Support checking Machine IR debug info Add mir-check-debug pass to check MIR-level debug info.
git bisect good 39584ae5b5cbc817d19499b003d4eaba259c31b5
# good: [71699a998d4f648396a1a12820c0f04cc61f8e19] [flang][openacc] Enforce restriction on routine directive and clauses
git bisect good 71699a998d4f648396a1a12820c0f04cc61f8e19
# good: [511cfe9441955f20a8b93573fb9b62433b053550] Revert "Ensure SplitEdge to return the new block between the two given blocks"
git bisect good 511cfe9441955f20a8b93573fb9b62433b053550
# good: [14da25b4b2eedf8a16aae34edfefd7bcaa5ceae5] [mlir][sparse] scalarize reductions in for-loops during sparse codegen
git bisect good 14da25b4b2eedf8a16aae34edfefd7bcaa5ceae5
# good: [385e9a2a047bc0bee13a21a9016763e694a686a3] [DAGCombiner] Improve shift by select of constant
git bisect good 385e9a2a047bc0bee13a21a9016763e694a686a3
# bad: [31c0b8700b4f531b2353fbb0e72d6934f65814f8] Fix clang-ppc64le-rhel buildbot build error
git bisect bad 31c0b8700b4f531b2353fbb0e72d6934f65814f8
# bad: [3733463dbb58a29892be3872bd32f93cb9af492c] [IR][PGO] Add hot func attribute and use hot/cold attribute in func section
git bisect bad 3733463dbb58a29892be3872bd32f93cb9af492c
# good: [ee2cb90e3bbe5cc6d027b1f821458eb267da516f] [RISCV] Define vsadd/vsaddu/vssub/vssubu intrinsics.
git bisect good ee2cb90e3bbe5cc6d027b1f821458eb267da516f
# first bad commit: [3733463dbb58a29892be3872bd32f93cb9af492c] [IR][PGO] Add hot func attribute and use hot/cold attribute in func section
I do not have time at the moment to report this upstream.