[Bug middle-end/17982] stop calling assemble_external before final assembly output time
--- Comment #31 from hackbunny at reactos dot com 2008-11-24 04:32 --- Created an attachment (id=16755) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16755&action=view) testcase.c:10: warning: y renamed after being referenced in assembly Compile test case with -funit-at-a-time gcc -v: Using built-in specs. Target: mingw32 Configured with: ../gcc-4.1.3/configure --prefix=/gcc-4.1.3 --with-gcc --with-gnu-ld --with-gnu-as --host=mingw32 --target=mingw32 --build=mingw32 --enable-languages=c,c++ --enable-checking=release --enable-threads=win32 --disable-win32-registry --disable-nls --disable-shared Thread model: win32 gcc version 4.1.3 20071015 (prerelease) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17982
[Bug middle-end/17982] stop calling assemble_external before final assembly output time
--- Comment #32 from hackbunny at reactos dot com 2008-11-24 04:32 --- I've been told that this is related to the test case I just attached -- hackbunny at reactos dot com changed: What|Removed |Added CC||hackbunny at reactos dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17982
[Bug target/38054] Assertion failed in change_decl_assembler_name()
--- Comment #7 from hackbunny at reactos dot com 2008-11-24 10:24 --- Created an attachment (id=16756) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16756&action=view) Smaller test case gcc -c -v -funit-at-a-time -nostdinc testcase.c Using built-in specs. Target: mingw32 Configured with: ../gcc-4.1.3/configure --prefix=/gcc-4.1.3 --with-gcc --with-gnu-ld --with-gnu-as --host=mingw32 --target=mingw32 --build=mingw32 --enable-languages=c,c++ --enable-checking=release --enable-threads=win32 --disable-win32-registry --disable-nls --disable-shared Thread model: win32 gcc version 4.1.3 20071015 (prerelease) c:/users/hyperion/rosbe/4.1.3/bin/../libexec/gcc/mingw32/4.1.3/cc1.exe -quiet -nostdinc -v -iprefix c:\users\hyperion\rosbe\4.1.3\bin\../lib/gcc/mingw32/4.1.3/ testcase.c -quiet -dumpbase testcase.c -auxbase testcase -version -funit-at-a-time -o C:\Users\Hyperion\AppData\Local\Temp/cczKM08O.s #include "..." search starts here: #include <...> search starts here: C:/Users/Hyperion/RosBE/4.1.3/include C:/Users/Hyperion/RosBE/4.1.3/lib/gcc/mingw32/4.1.3/include End of search list. GNU C version 4.1.3 20071015 (prerelease) (mingw32) compiled by GNU C version 4.1.3 20071015 (prerelease). GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 3f527ff7c87fdc28aecf612037bc62b2 testcase.c: In function 'y': testcase.c:10: warning: y renamed after being referenced in assembly c:/users/hyperion/rosbe/4.1.3/bin/../lib/gcc/mingw32/4.1.3/../../../../mingw32/bin/as.exe -o testcase.o C:\Users\Hyperion\AppData\Local\Temp/cczKM08O.s -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38054
[Bug target/38054] Assertion failed in change_decl_assembler_name()
--- Comment #8 from hackbunny at reactos dot com 2008-11-24 10:29 --- I have added a test case that shows a closely related issue with nested functions, -funit-at-a-time and unreferenced file-scope externs (yes, if you remove "int x = 0;" the warning goes away) The "%D renamed after being referenced in assembly" warning cannot be disabled, either, so this is a bit problematic for sources compiled with -Werror -- hackbunny at reactos dot com changed: What|Removed |Added CC| |hackbunny at reactos dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38054
[Bug c/38269] New: Segmentation fault in main_block_label when using -fno-unit-at-a-time and precompiled headers containing inline functions
Save the attachments (pin.c and ntoskrnl.h) to the same directory. Then run the following commands: gcc -o ntoskrnl.h.gch -I. -fno-unit-at-a-time -Os ntoskrnl.h gcc -v -o pin.o -I. -fno-unit-at-a-time -Os -c pin.c The latter will print the following: Using built-in specs. Target: mingw32 Configured with: ../gcc-4.1.3/configure --prefix=/gcc-4.1.3 --with-gcc --with-gnu-ld --with-gnu-as --host=mingw32 --target=mingw32 --build=mingw32 --enable-languages=c,c++ --enable-checking=release --enable-threads=win32 --disable-win32-registry --disable-nls --disable-shared Thread model: win32 gcc version 4.1.3 20071015 (prerelease) c:/users/hyperion/rosbe/4.1.3/bin/../libexec/gcc/mingw32/4.1.3/cc1.exe -quiet -v -I. -iprefix c:\users\hyperion\rosbe\4.1.3\bin\../lib/gcc/mingw32/4.1.3/ pin.c -quiet -dumpbase pin.c -auxbase-strip pin.o -Os -version -fno-unit-at-a-time -o C:\Users\Hyperion\AppData\Local\Temp/ccphrNAF.s ignoring nonexistent directory "C:/MSYS/gcc-4.1.3/include" ignoring nonexistent directory "/gcc-4.1.3/include" ignoring nonexistent directory "C:/MSYS/gcc-4.1.3/lib/gcc/mingw32/4.1.3/include" ignoring nonexistent directory "C:/MSYS/gcc-4.1.3/mingw32/include" ignoring nonexistent directory "/mingw/include" #include "..." search starts here: #include <...> search starts here: . C:/Users/Hyperion/RosBE/4.1.3/include C:/Users/Hyperion/RosBE/4.1.3/lib/gcc/mingw32/4.1.3/include c:/users/hyperion/rosbe/4.1.3/bin/../lib/gcc/mingw32/4.1.3/include End of search list. GNU C version 4.1.3 20071015 (prerelease) (mingw32) compiled by GNU C version 4.1.3 20071015 (prerelease). GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 3f527ff7c87fdc28aecf612037bc62b2 Very often (but not always), when executing the second command line, cc1.exe will ICE with the following message: ntoskrnl.h: In function 'ExAllocateFromNPagedLookasideList': ntoskrnl.h:56: 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. I attached a debugger to cc1.exe, and resolved the symbols by hand to the following call stack: 143e04 _main_block_label 143fa1 _cleanup_dead_labels 124461 _execute_cleanup_cfg_post_optimizing 11ed04 _execute_one_pass 11ee3b _execute_pass_list 11ee4f _execute_pass_list 1245fe _tree_rest_of_compilation 09194 _c_expand_body 4eecb _cgraph_expand_function 4efa9 _cgraph_assemble_pending_functions 50125 _cgraph_finalize_function 09573 _finish_function 3fd4e _c_parser_declaration_or_fndef 4132e _c_parser_external_declaration 41f1d _c_gimplify_expr 305c4 _c_common_post_options f84bc _toplev_main 461f7 _main 0124b ___mingw_CRTStartup 01298 _mainCRTStartup Note that I'm forced to use -fno-unit-at-a-time because of an issue related to PR 17982 and PR 38054 -- Summary: Segmentation fault in main_block_label when using -fno- unit-at-a-time and precompiled headers containing inline functions Product: gcc Version: 4.1.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hackbunny at reactos dot com GCC build triplet: mingw32 GCC host triplet: mingw32 GCC target triplet: mingw32 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38269
[Bug c/38269] Segmentation fault in main_block_label when using -fno-unit-at-a-time and precompiled headers containing inline functions
--- Comment #1 from hackbunny at reactos dot com 2008-11-25 21:56 --- Created an attachment (id=16770) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16770&action=view) test case (1 of 2) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38269
[Bug c/38269] Segmentation fault in main_block_label when using -fno-unit-at-a-time and precompiled headers containing inline functions
--- Comment #2 from hackbunny at reactos dot com 2008-11-25 21:56 --- Created an attachment (id=16771) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16771&action=view) test case (2 of 2) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38269
[Bug target/38269] Segmentation fault in main_block_label when using -fno-unit-at-a-time and precompiled headers containing inline functions
--- Comment #4 from hackbunny at reactos dot com 2008-11-25 22:12 --- Yes and no, we are resisting upgrading due to PR 31707 (which we are attempting to workaround, and the workaround led to this bug...). I will try ASAP anyway -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38269
[Bug c/31707] New: Spurious "'' may be used uninitialized in this function" warnings when using __builtin_setjmp
Command line: gcc -c lib\rtl\workitem.c -o obj-i386\lib\rtl\workitem.o -Iobj-i386\lib\rtl -Ilib\rtl -D__USE_W32API -D_NTOSKRNL_ -D__NO_CTYPE_INLINES -DNO_RTL_INLINES -D_NTSYSTEM_ -D_NTDLLBUILD_ -Iobj-i386\lib\rtl -I. -Iinclude -Iinclude\psdk -Iinclude\crt -Iinclude\ddk -Iinclude\GL -Iinclude\ndk -Iinclude\reactos -Iinclude\reactos\libs -D_M_IX86 -D_X86_ -D__i386__ -D_REACTOS_ -DDBG -D_SEH_ENABLE_TRACE -Wall -march=pentium -Wpointer-arith -Os -Wno-strict-aliasing -ftracer -momit-leaf-frame-pointer -mpreferred-stack-boundary=2 -g -pipe -Werror -fno-optimize-sibling-calls -save-temps -v Output: gcc: warning: -pipe ignored because -save-temps specified Using built-in specs. Target: mingw32 Configured with: ../gcc-4.2.0/configure --host=mingw32 --target=mingw32 --prefix=/mingw --with-gnu-as --with-gnu-ld --enable-threads --disable-nls --enable-languages=c,c++ --enable-threads=win32 --disable-win32-registry --disable-win32-registry --disable-shared Thread model: win32 gcc version 4.2.0 20070415 (prerelease) d:/rosbe/4.2.0/bin/../libexec/gcc/mingw32/4.2.0/cc1.exe -E -quiet -v -Iobj-i386\lib\rtl -Ilib\rtl -Iobj-i386\lib\rtl -I. -Iinclude -Iinclude\psdk -Iinclude\crt -Iinclude\ddk -Iinclude\GL -Iinclude\ndk -Iinclude\reactos -Iinclude\reactos\libs -iprefix d:\rosbe\4.2.0\bin\../lib/gcc/mingw32/4.2.0/ -D__USE_W32API -D_NTOSKRNL_ -D__NO_CTYPE_INLINES -DNO_RTL_INLINES -D_NTSYSTEM_ -D_NTDLLBUILD_ -D_M_IX86 -D_X86_ -D__i386__ -D_REACTOS_ -DDBG -D_SEH_ENABLE_TRACE lib\rtl\workitem.c -march=pentium -momit-leaf-frame-pointer -mpreferred-stack-boundary=2 -Wall -Wpointer-arith -Wno-strict-aliasing -Werror -ftracer -fno-optimize-sibling-calls -fworking-directory -Os -fpch-preprocess -o workitem.i ignoring nonexistent directory "c:/mingw/include" ignoring nonexistent directory "/mingw/include" ignoring nonexistent directory "c:/mingw/lib/gcc/mingw32/4.2.0/include" ignoring nonexistent directory "c:/mingw/mingw32/include" ignoring nonexistent directory "/mingw/include" #include "..." search starts here: #include <...> search starts here: obj-i386/lib/rtl lib/rtl obj-i386/lib/rtl . include include/psdk include/crt include/ddk include/GL include/ndk include/reactos include/reactos/libs D:/RosBE/4.2.0/include D:/RosBE/4.2.0/lib/gcc/mingw32/4.2.0/include d:/rosbe/4.2.0/bin/../lib/gcc/mingw32/4.2.0/include End of search list. d:/rosbe/4.2.0/bin/../libexec/gcc/mingw32/4.2.0/cc1.exe -fpreprocessed workitem.i -quiet -dumpbase workitem.c -march=pentium -momit-leaf-frame-pointer -mpreferred-stack-boundary=2 -auxbase-strip obj-i386\lib\rtl\workitem.o -g -Os -Wall -Wpointer-arith -Wno-strict-aliasing -Werror -version -ftracer -fno-optimize-sibling-calls -o workitem.s GNU C version 4.2.0 20070415 (prerelease) (mingw32) compiled by GNU C version 4.2.0 20070415 (prerelease). GGC heuristics: --param ggc-min-expand=99 --param ggc-min-heapsize=131002 Compiler executable checksum: 232281512bb28abd92c2d204d6f594e1 cc1.exe: warnings being treated as errors lib\rtl\workitem.c: In function 'foo': lib\rtl\workitem.c:21: warning: '_SEHPortableFrame' may be used uninitialized in this function lib\rtl\workitem.c:21: warning: '_SEHState' may be used uninitialized in this function -- Summary: Spurious "'' may be used uninitialized in this function" warnings when using __builtin_setjmp Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: major Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hackbunny at reactos dot com GCC host triplet: mingw32 GCC target triplet: mingw32 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31707
[Bug c/31707] Spurious "'' may be used uninitialized in this function" warnings when using __builtin_setjmp
--- Comment #1 from hackbunny at reactos dot com 2007-04-25 23:28 --- Created an attachment (id=13442) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13442&action=view) Preprocessor output -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31707
[Bug c/31707] Spurious "'' may be used uninitialized in this function" warnings when using __builtin_setjmp
--- Comment #2 from hackbunny at reactos dot com 2007-04-25 23:29 --- Created an attachment (id=13443) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13443&action=view) GIMPLE source for the test case -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31707
[Bug c/31707] Spurious "'' may be used uninitialized in this function" warnings when using __builtin_setjmp
--- Comment #3 from hackbunny at reactos dot com 2007-04-25 23:30 --- Created an attachment (id=13444) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13444&action=view) Final tree dump for the test case By going through the tree dump, it appears the warning has no reason to be -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31707
[Bug c/31707] Spurious "'' may be used uninitialized in this function" warnings when using __builtin_setjmp
--- Comment #4 from hackbunny at reactos dot com 2007-04-25 23:33 --- A couple more notes: * no warning if setjmp is used instead of __builtin_setjmp * no warning if the call to "bar()" is removed * no warning in GCC 4.1.2 -- hackbunny at reactos dot com changed: What|Removed |Added CC| |hackbunny at reactos dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31707
[Bug c++/37981] New: internal compiler error: in rest_of_handle_final, at final.c:3942
See attached preprocessed source and compiler output -- Summary: internal compiler error: in rest_of_handle_final, at final.c:3942 Product: gcc Version: 4.1.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hackbunny at reactos dot com GCC build triplet: mingw32 GCC host triplet: mingw32 GCC target triplet: mingw32 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37981
[Bug c++/37981] internal compiler error: in rest_of_handle_final, at final.c:3942
--- Comment #1 from hackbunny at reactos dot com 2008-10-31 16:24 --- Created an attachment (id=16598) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16598&action=view) compiler output -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37981
[Bug c++/37981] internal compiler error: in rest_of_handle_final, at final.c:3942
--- Comment #2 from hackbunny at reactos dot com 2008-10-31 16:25 --- Created an attachment (id=16599) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16599&action=view) preprocessed input -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37981
[Bug c++/37981] internal compiler error: in rest_of_handle_final, at final.c:3942
--- Comment #3 from hackbunny at reactos dot com 2008-10-31 16:31 --- Created an attachment (id=16600) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16600&action=view) compiler output (PCH disabled) -- hackbunny at reactos dot com changed: What|Removed |Added Attachment #16598|0 |1 is obsolete|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37981
[Bug c++/37981] internal compiler error: in rest_of_handle_final, at final.c:3942
--- Comment #4 from hackbunny at reactos dot com 2008-10-31 16:34 --- Created an attachment (id=16601) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16601&action=view) preprocessed input (PCH disabled) sorry about compression, the file is too big to attach -- hackbunny at reactos dot com changed: What|Removed |Added Attachment #16599|0 |1 is obsolete|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37981