Difference between
modified post 8896543ef by Anonymous on Mon 18th Mar 2024 10:50
original post f1cba33 by Anonymous on Mon 18th Mar 2024 09:46
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Compile with:

1	1		Compile with:
2	2		$ git -c 'checkout.workers=16' clone -b releases/gcc-13.1.0 --single-branch ../gcc.bundle
3	3		$ cd gcc
4	4		$ configure
5	5		$ yes \| make -j8 all
6	6
7	7		Log output:
8	8		---- snip ----
9	9		/cygdrive/m/builds/gcc20240317_50m/gcc/host-x86_64-pc-cygwin/gcc/xgcc -shared-libgcc -B/cygdrive/m/builds/gcc20240317_50m/gcc/host-x86_64-pc-cygwin/gcc -nostdinc++ -L/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/src -L/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/src/.libs -L/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/libsupc++/.libs -B/usr/local/x86_64-pc-cygwin/bin/ -B/usr/local/x86_64-pc-cygwin/lib/ -isystem /usr/local/x86_64-pc-cygwin/include -isystem /usr/local/x86_64-pc-cygwin/sys-include -fno-checking -x c++-header -nostdinc++ -g -O2 -I/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/include/x86_64-pc-cygwin -I/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/include -I/cygdrive/m/builds/gcc20240317_50m/gcc/libstdc++-v3/libsupc++ -O2 -g /cygdrive/m/builds/gcc20240317_50m/gcc/libstdc++-v3/include/precompiled/stdtr1c++.h -o x86_64-pc-cygwin/bits/stdtr1c++.h.gch/O2g.gch
10	10		mkdir -p ./x86_64-pc-cygwin/bits/extc++.h.gch
11	11		/cygdrive/m/builds/gcc20240317_50m/gcc/host-x86_64-pc-cygwin/gcc/xgcc -shared-libgcc -B/cygdrive/m/builds/gcc20240317_50m/gcc/host-x86_64-pc-cygwin/gcc -nostdinc++ -L/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/src -L/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/src/.libs -L/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/libsupc++/.libs -B/usr/local/x86_64-pc-cygwin/bin/ -B/usr/local/x86_64-pc-cygwin/lib/ -isystem /usr/local/x86_64-pc-cygwin/include -isystem /usr/local/x86_64-pc-cygwin/sys-include -fno-checking -x c++-header -nostdinc++ -g -O2 -I/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/include/x86_64-pc-cygwin -I/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/include -I/cygdrive/m/builds/gcc20240317_50m/gcc/libstdc++-v3/libsupc++ -O2 -g /cygdrive/m/builds/gcc20240317_50m/gcc/libstdc++-v3/include/precompiled/extc++.h -o x86_64-pc-cygwin/bits/extc++.h.gch/O2g.gch
12	12		*** starting 'dumper "M:/builds/gcc20240317_50m/gcc/host-x86_64-pc-cygwin/gcc/cc1plus.exe" 8244' for pid 0, tid 1164
13	13		make[5]: *** [Makefile:1938: x86_64-pc-cygwin/bits/extc++.h.gch/O2g.gch] Error 1
14	14		make[5]: Leaving directory '/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/include'
15	15		make[4]: *** [Makefile:576: all-recursive] Error 1
16	16		make[4]: Leaving directory '/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3'
17	17		make[3]: *** [Makefile:501: all] Error 2
18	18		make[3]: Leaving directory '/cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3'
19	19		make[2]: *** [Makefile:18286: all-stage1-target-libstdc++-v3] Error 2
20	20		make[2]: Leaving directory '/cygdrive/m/builds/gcc20240317_50m/gcc'
21	21		make[1]: *** [Makefile:25094: stage1-bubble] Error 2
22	22		make[1]: Leaving directory '/cygdrive/m/builds/gcc20240317_50m/gcc'
23	23		make: *** [Makefile:1080: all] Error 2
24	24		---- snip ----
25	25
26	26		Stack trace:
27	27		---- snip ----
28	28		roland_mainz@wingrendel02 /cygdrive/m/builds/gcc20240317_50m/gcc/x86_64-pc-cygwin/libstdc++-v3/include
29	29		$ gdb ../../../host-x86_64-pc-cygwin/gcc/cc1plus.exe cc1plus.exe.core
30	30		GNU gdb (GDB) (Cygwin 13.2-1) 13.2
31	31		[snip]
32	32		[New Thread 0x48c]
33	33		[New Thread 0x18c4]
34	34		[New Thread 0x1370]
35	35		#0 0x00007ffaa106d664 in ntdll!ZwDelayExecution () from C:/Windows/SYSTEM32/ntdll.dll
36	36		[Current thread is 1 (Thread 0x48c)]
37	37		(gdb) bt
38	38		#0 0x00007ffaa106d664 in ntdll!ZwDelayExecution () from C:/Windows/SYSTEM32/ntdll.dll
39	39		#1 0x00007ffa9ec9b62e in SleepEx () from C:/Windows/System32/KERNELBASE.dll
40	40		#2 0x00007ffa9429e567 in secure_getenv () from C:/cygwin64/bin/cygwin1.dll
41	41		#3 0x00007ffa942a01cc in secure_getenv () from C:/cygwin64/bin/cygwin1.dll
42	42		#4 0x00007ffaa10723af in ntdll!.chkstk () from C:/Windows/SYSTEM32/ntdll.dll
43	43		#5 0x00007ffaa10214b4 in ntdll!RtlRaiseException () from C:/Windows/SYSTEM32/ntdll.dll
44	44		#6 0x00007ffaa1070ebe in ntdll!KiUserExceptionDispatcher () from C:/Windows/SYSTEM32/ntdll.dll
45	45		#7 0x0000000100cba6ce in gt_pch_p_13string_concat (this_obj=0x6ffffd85ccb8, x_p=0x6ffff7b4ebe0, op=0x100be765e <relocate_ptrs(void, void, void*)>, cookie=0x7ffffc7a0) at gtype-desc.cc:8199
46	46		#8 0x0000000100be801c in gt_pch_save (f=0xa000b5060) at ../.././gcc/ggc-common.cc:641
47	47		#9 0x000000010092e332 in c_common_write_pch () at ../.././gcc/c-family/c-pch.cc:175
48	48		#10 0x00000001005846da in c_parse_final_cleanups () at ../.././gcc/cp/decl2.cc:4935
49	49		#11 0x000000010092ca4d in c_common_parse_file () at ../.././gcc/c-family/c-opts.cc:1266
50	50		#12 0x000000010102e259 in compile_file () at ../.././gcc/toplev.cc:444
51	51		#13 0x0000000101031ba0 in do_compile (no_backend=false) at ../.././gcc/toplev.cc:2125
52	52		#14 0x0000000101031ffb in toplev::main (this=0x7ffffcc2a, argc=44, argv=0xa00020b70) at ../.././gcc/toplev.cc:2277
53	53		#15 0x00000001027d2164 in main (argc=44, argv=0xa00020b70) at ../.././gcc/main.cc:39
54	54		---- snip ----
55	55
56		-
	56	+	IRC debate, including workaround:
57		-
	57	+	---- snip ----
58		-
	58	+	11:20:48 jakub \| nrubsig: bugs should be reported to bugzilla, not here; I'm afraid I have hundreds of bugs to look at for targets I care about, so unless you can reproduce
59		-
	59	+	\| it on other targets, it will have to be somebody who cares about Windows to analyze it
60		-
	60	+	11:22:39 <-- \| mcdarienzo (~mcdarienz@67-1-156-28.tcso.qwest.net) has quit (Ping timeout: 480 seconds)
61		-
	61	+	11:24:43 d0ggie \| pch is broken on windows as allocation using the fixed address might not succeed in general and there is fixed retry loop using delay that kills all
62		-
	62	+	\| performance benefits
63		-
	63	+	11:26:55 nrubsig \| d0ggie: OUCH. Where is that documented ?
64		-
	64	+	11:27:13 jwakely \| it probably isn't
65		-
	65	+	11:27:54 jwakely \| but maybe --disable-libstdcxx-pch should be the default on Windows
66		-
	66	+	11:28:42 jwakely \| (and maybe everywhere else too ;-)
67		-
	67	+	11:28:45 d0ggie \| hmm.. actually, cygwin mght not use win32 code so then the next best thing is to update cygwin and disable aslr et. al.
68		-
	68	+	11:28:49 sam_ \| jwakely++
69		-
	69	+	11:31:06 --> \| mcdarienzo (~mcdarienz@67-1-156-28.tcso.qwest.net) has joined #gcc
70		-
	70	+	11:31:52 jakub \| note, since a few years PCH does support relocation (meant e.g. for Linux PIE support), but it needs extra target support which likely isn't done for Windows
71		-
	71	+	11:33:28 d0ggie \| but if you want to look at it, the related cygwin emulation code might look a bit cryptic but it is not spread across the entire project but a few files
72		-
	72	+	---- snip ----
73	73