https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69610
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> --- Created attachment 37547 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37547&action=edit another testcase, fails at -O2 $ armv7a-hardfloat-linux-gnueabi-gcc -O2 -march=armv3 -fno-forward-propagate testcase.c ... ==19259== Invalid read of size 2 ==19259== at 0xEBB91D: arm_reload_in_hi(rtx_def**) (arm.c:15446) ==19259== by 0x1042574: gen_reload_inhi(rtx_def*, rtx_def*, rtx_def*) (arm.md:6422) ==19259== by 0x9CA5C2: operator() (recog.h:302) ==19259== by 0x9CA5C2: check_and_process_move (lra-constraints.c:1186) ==19259== by 0x9CA5C2: curr_insn_transform(bool) (lra-constraints.c:3453) ==19259== by 0x9CB446: lra_constraints(bool) (lra-constraints.c:4421) ==19259== by 0x9B729C: lra(_IO_FILE*) (lra.c:2277) ==19259== by 0x95EF39: do_reload (ira.c:5394) ==19259== by 0x95EF39: (anonymous namespace)::pass_reload::execute(function*) (ira.c:5565) ==19259== by 0xA70D27: execute_one_pass(opt_pass*) (passes.c:2336) ==19259== by 0xA712D7: execute_pass_list_1(opt_pass*) (passes.c:2410) ==19259== by 0xA712E9: execute_pass_list_1(opt_pass*) (passes.c:2411) ==19259== by 0xA71334: execute_pass_list(function*, opt_pass*) (passes.c:2421) ==19259== by 0x70D023: cgraph_node::expand() (cgraphunit.c:1975) ==19259== by 0x70E925: expand_all_functions (cgraphunit.c:2111) ==19259== by 0x70E925: symbol_table::compile() (cgraphunit.c:2467) ==19259== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==19259== testcase.c: In function 'foo': testcase.c:28:1: internal compiler error: Segmentation fault } ^ Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.
