On Mon, 2017-02-27 09:19:51 +0100, Richard Biener <rguent...@suse.de> wrote: > On Mon, 27 Feb 2017, Jan-Benedict Glaw wrote: > > On Wed, 2017-01-11 16:28:33 +0100, Richard Biener <rguent...@suse.de> wrote: > > > On Wed, 11 Jan 2017, Richard Biener wrote: > > > > LTO bootstrapped on x86_64-unknown-linux-gnu, testing in progress. > > > > > > > > (most "gross" are still TS_LIST having a type and TS_VEC having type > > > > and chain, but that's been hard to fix with the C++ FE in place) > > > > > > Forgot the tree-core.h part. > > > > > > Re-bootstrapping testing on x86_64-unknown-linux-gnu. > > > > > > Richard. > > > > > > 2017-01-11 Richard Biener <rguent...@suse.de> > > > > > > * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION > > > and TS_TARGET_OPTION directly derive from TS_BASE. > > > * tree-core.h (tree_optimization_option): Derive from tree_base. > > > (tree_target_option): Likewise. > > > > This caused (or uncovered) a self-test issue on arm-netbsdelf (as run > > by config-list.mk), like in this build: > > http://toolchain.lug-owl.de/buildbot/show_build_details.php?id=696565 [...] > > Reverting your patch from current HEAD lets the self-test pass. Do you > > spot something obvious? > > No, can you see which collect call in the self-test is involved? > That is, a better backtrace, eventually when compiling the testcase > with -O0?
Starting with selftest::run_tests(), these tests need to be run to
trigger it, all others can be omitted:
ggc_tests_c_tests ();
input_c_tests ();
gimple_c_tests ();
rtl_tests_c_tests ();
read_rtl_function_c_tests ();
--> forcibly_ggc_collect ();
In this constellation, we have on the stack:
(gdb) bt full
#0 0x00000000008aad77 in lookup_page_table_entry (p=0x7) at
../../gcc/gcc/ggc-page.c:635
base = 0x23649c0
L1 = 246
L2 = 320
table = 0x0
high_bits = 0
#1 0x00000000008abe72 in ggc_set_mark (p=0x7) at ../../gcc/gcc/ggc-page.c:1532
entry = 0x7ffff6140228
bit = 23
word = 0
mask = 7730548
__FUNCTION__ = "ggc_set_mark"
#2 0x0000000000782d27 in gt_ggc_mx_lang_tree_node (x_p=0x7ffff6140228) at
./gt-c-c-decl.h:49
x = 0x7ffff6140228
xlimit = 0x7
__FUNCTION__ = "gt_ggc_mx_lang_tree_node"
#3 0x0000000000784b7a in gt_ggc_mx_lang_tree_node (x_p=0x7ffff6472000) at
./gt-c-c-decl.h:401
i1 = 8
l1 = 252
x = 0x7ffff6472000
xlimit = 0x0
__FUNCTION__ = "gt_ggc_mx_lang_tree_node"
#4 0x00000000007849e2 in gt_ggc_mx_lang_tree_node (x_p=0x7ffff64695e8) at
./gt-c-c-decl.h:382
x = 0x7ffff64695e8
xlimit = 0x0
__FUNCTION__ = "gt_ggc_mx_lang_tree_node"
#5 0x0000000000782e29 in gt_ggc_mx_lang_tree_node (x_p=0x7ffff646b6c0) at
./gt-c-c-decl.h:68
x = 0x7ffff646b6c0
xlimit = 0x0
__FUNCTION__ = "gt_ggc_mx_lang_tree_node"
#6 0x0000000000af4520 in ggc_mark_root_tab (rt=0x1a19c40
<gt_ggc_r_gt_ggc_tests_h>) at ../../gcc/gcc/ggc-common.c:77
i = 0
#7 0x0000000000af45b1 in ggc_mark_roots () at ../../gcc/gcc/ggc-common.c:94
rt = 0x1990db8 <gt_ggc_rtab+120>
rtp = 0x0
rti = 0x1998850 <gt_ggc_rd_gt_c_c_decl_h+80>
i = 360777445376
#8 0x00000000008ad064 in ggc_collect () at ../../gcc/gcc/ggc-page.c:2202
allocated_last_gc = 4194304
min_expand = 1258291.25
#9 0x0000000000afa314 in selftest::forcibly_ggc_collect () at
../../gcc/gcc/ggc-tests.c:36
No locals.
#10 0x000000000181357d in selftest::run_tests () at
../../gcc/gcc/selftest-run-tests.c:103
start_time = 28000
finish_time = 0
elapsed_time = 9164999
#11 0x0000000000ea352c in toplev::run_self_tests (this=0x7fffffffe190) at
../../gcc/gcc/toplev.c:2048
No locals.
#12 0x0000000000ea36d3 in toplev::main (this=0x7fffffffe190, argc=20,
argv=0x7fffffffe298)
at ../../gcc/gcc/toplev.c:2125
__FUNCTION__ = "main"
#13 0x00000000018565b2 in main (argc=20, argv=0x7fffffffe298) at
../../gcc/gcc/main.c:39
toplev = {m_use_TV_TOTAL = true, m_init_signals = true}
Just for the moment, maybe more tonight.
MfG, JBG
--
Jan-Benedict Glaw jbg...@lug-owl.de +49-172-7608481
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