https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121607
--- Comment #14 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <h...@gcc.gnu.org>: https://gcc.gnu.org/g:7dfb3a59fea4a9f423d62d8c604b6bd87cea6095 commit r16-3327-g7dfb3a59fea4a9f423d62d8c604b6bd87cea6095 Author: H.J. Lu <hjl.to...@gmail.com> Date: Wed Aug 20 12:45:18 2025 -0700 x86-64: Emit the TLS call after NOTE_INSN_BASIC_BLOCK For a basic block with only a label: (code_label 78 11 77 3 14 (nil) [1 uses]) (note 77 78 54 3 [bb 3] NOTE_INSN_BASIC_BLOCK) emit the TLS call after NOTE_INSN_BASIC_BLOCK, instead of before NOTE_INSN_BASIC_BLOCK, to avoid x.c: In function âaout_16_write_symsâ: x.c:54:1: error: NOTE_INSN_BASIC_BLOCK is missing for block 3 54 | } | ^ x.c:54:1: error: NOTE_INSN_BASIC_BLOCK 77 in middle of basic block 3 during RTL pass: x86_cse x.c:54:1: internal compiler error: verify_flow_info failed gcc/ PR target/121607 * config/i386/i386-features.cc (ix86_emit_tls_call): Emit the TLS call after NOTE_INSN_BASIC_BLOCK in a basic block with only a label. gcc/testsuite/ PR target/121607 * gcc.target/i386/pr121607-1a.c: New test. * gcc.target/i386/pr121607-1b.c: Likewise. Signed-off-by: H.J. Lu <hjl.to...@gmail.com>