https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79936
Bug ID: 79936
Summary: ICE with -Walloc-size-larger-than=32767
Product: gcc
Version: 7.0.1
Status: UNCONFIRMED
Keywords: diagnostic, ice-on-valid-code
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: egall at gwmail dot gwu.edu
CC: msebor at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-apple-darwin10.8.0
Target: x86_64-apple-darwin10.8.0
Build: x86_64-apple-darwin10.8.0
Created attachment 40902
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40902&action=edit
system-generated crash report
Found when compiling my fork of emacs:
$ make sha256.o V=1
/usr/local/bin/gcc -DHAVE_CONFIG_H -D_IN_GNULIB -I. -I../src -I.
-I/Users/ericgallager/emacs/lib -I../src -I/Users/ericgallager/emacs/src
-DMAC_OSX=1 -DXASSERTS=1 -fno-common -Wabi -Waddress
-Waggressive-loop-optimizations -Wall -Wattributes -Wbool-compare
-Wbuiltin-macro-redefined -Wcast-align -Wchar-subscripts -Wchkp -Wclobbered
-Wcomment -Wcoverage-mismatch -Wcpp -Wdate-time -Wdeprecated
-Wdeprecated-declarations -Wdesignated-init -Wdisabled-optimization
-Wdiscarded-array-qualifiers -Wdiscarded-qualifiers -Wdiv-by-zero
-Wduplicated-cond -Wempty-body -Wendif-labels -Wenum-compare -Wextra
-Wformat-contains-nul -Wformat-extra-args -Wformat-security -Wformat-y2k
-Wformat-zero-length -Wframe-address -Wfree-nonheap-object -Whsa -Wimplicit
-Wimplicit-function-declaration -Wimplicit-int -Wincompatible-pointer-types
-Winit-self -Wint-conversion -Wint-to-pointer-cast -Winvalid-memory-model
-Winvalid-pch -Wjump-misses-init -Wlogical-not-parentheses -Wmain
-Wmaybe-uninitialized -Wmemset-transposed-args -Wmisleading-indentation
-Wmissing-braces -Wmissing-declarations -Wmissing-include-dirs
-Wmissing-parameter-type -Wmissing-prototypes -Wmultichar -Wnarrowing -Wnonnull
-Wnonnull-compare -Wnull-dereference -Wold-style-declaration
-Wold-style-definition -Woverflow -Woverlength-strings -Woverride-init -Wpacked
-Wpacked-bitfield-compat -Wparentheses -Wpointer-arith -Wpointer-sign
-Wpointer-to-int-cast -Wpragmas -Wreturn-local-addr -Wreturn-type
-Wscalar-storage-order -Wsequence-point -Wshift-count-negative
-Wshift-count-overflow -Wshift-negative-value -Wsizeof-array-argument
-Wsizeof-pointer-memaccess -Wstrict-aliasing -Wstrict-prototypes
-Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wsuggest-final-methods
-Wsuggest-final-types -Wswitch-bool -Wtautological-compare -Wtrampolines
-Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunsafe-loop-optimizations
-Wunused -Wunused-but-set-parameter -Wunused-but-set-variable -Wunused-function
-Wunused-label -Wunused-local-typedefs -Wunused-result -Wunused-value
-Wunused-variable -Wvarargs -Wvariadic-macros -Wvector-operation-performance
-Wvolatile-register-var -Wwrite-strings -Warray-bounds=2 -Wnormalized=nfc
-Wshift-overflow=2 -Wunused-const-variable=2 -Wno-missing-field-initializers
-Wno-sign-compare -Wno-type-limits -Wno-switch -Wno-unused-parameter
-Wno-format-nonliteral -Wno-logical-op -Wnonportable-cfstrings
-Wstrict-overflow=1 -Wdeclaration-after-statement -Wmissing-noreturn
-Wunreachable-code -Woverride-init-side-effects -Wshift-overflow=2
-Wdangling-else -Wduplicate-decl-specifier -Wmemset-elt-size
-Wswitch-unreachable -Wimplicit-fallthrough -Wformat-overflow=2
-Wformat-truncation=2 -Wstringop-overflow=2 -Wexpansion-to-defined -Wrestrict
-Wint-in-bool-context -Wpointer-compare -Wbool-operation -Wduplicated-branches
-Walloca-larger-than=16384 -Wvla-larger-than=16384
-Walloc-size-larger-than=32767 -Walloc-zero -Wpsabi
-Wbuiltin-declaration-mismatch -ggdb3 -Og -gdwarf-2 -gfull -mfix-and-continue
-MT sha256.o -MD -MP -MF .deps/sha256.Tpo -c -o sha256.o sha256.c
sha256.c: In function 'sha256_stream':
sha256.c:181:9: warning: argument 1 value '32840' exceeds maximum object size
32767 [-Walloc-size-larger-than=]
char *buffer = malloc (BLOCKSIZE + 72);
^~~~~~
In file included from ./stdlib.h:36:0,
from ../src/conf_post.h:226,
from ../src/config.h:3616,
from sha256.c:23:
/usr/include/stdlib.h:169:7: note: in a call to allocation function 'malloc'
declared here
void *malloc(size_t);
^~~~~~
sha256.c: In function 'sha224_stream':
sha256.c:252:9: internal compiler error: tree check: expected tree that
contains 'typed' structure, have 'block' in extended_tree, at tree.h:5286
char *buffer = malloc (BLOCKSIZE + 72);
^~~~~~
sha256.c:252:9: internal compiler error: Abort trap
gcc: internal compiler error: Abort trap (program cc1)
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
make: *** [sha256.o] Error 4
Interestingly, the ICE seems to go away when I try to save the preprocessed
source to attach to this bug:
$ /usr/local/bin/gcc -DHAVE_CONFIG_H -D_IN_GNULIB -I. -I../src -I.
-I/Users/ericgallager/emacs/lib -I../src -I/Users/ericgallager/emacs/src
-DMAC_OSX=1 -DXASSERTS=1 -fno-common -Wabi -Waddress
-Waggressive-loop-optimizations -Wall -Wattributes -Wbool-compare
-Wbuiltin-macro-redefined -Wcast-align -Wchar-subscripts -Wchkp -Wclobbered
-Wcomment -Wcoverage-mismatch -Wcpp -Wdate-time -Wdeprecated
-Wdeprecated-declarations -Wdesignated-init -Wdisabled-optimization
-Wdiscarded-array-qualifiers -Wdiscarded-qualifiers -Wdiv-by-zero
-Wduplicated-cond -Wempty-body -Wendif-labels -Wenum-compare -Wextra
-Wformat-contains-nul -Wformat-extra-args -Wformat-security -Wformat-y2k
-Wformat-zero-length -Wframe-address -Wfree-nonheap-object -Whsa -Wimplicit
-Wimplicit-function-declaration -Wimplicit-int -Wincompatible-pointer-types
-Winit-self -Wint-conversion -Wint-to-pointer-cast -Winvalid-memory-model
-Winvalid-pch -Wjump-misses-init -Wlogical-not-parentheses -Wmain
-Wmaybe-uninitialized -Wmemset-transposed-args -Wmisleading-indentation
-Wmissing-braces -Wmissing-declarations -Wmissing-include-dirs
-Wmissing-parameter-type -Wmissing-prototypes -Wmultichar -Wnarrowing -Wnonnull
-Wnonnull-compare -Wnull-dereference -Wold-style-declaration
-Wold-style-definition -Woverflow -Woverlength-strings -Woverride-init -Wpacked
-Wpacked-bitfield-compat -Wparentheses -Wpointer-arith -Wpointer-sign
-Wpointer-to-int-cast -Wpragmas -Wreturn-local-addr -Wreturn-type
-Wscalar-storage-order -Wsequence-point -Wshift-count-negative
-Wshift-count-overflow -Wshift-negative-value -Wsizeof-array-argument
-Wsizeof-pointer-memaccess -Wstrict-aliasing -Wstrict-prototypes
-Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wsuggest-final-methods
-Wsuggest-final-types -Wswitch-bool -Wtautological-compare -Wtrampolines
-Wtrigraphs -Wuninitialized -Wunknown-pragmas -Wunsafe-loop-optimizations
-Wunused -Wunused-but-set-parameter -Wunused-but-set-variable -Wunused-function
-Wunused-label -Wunused-local-typedefs -Wunused-result -Wunused-value
-Wunused-variable -Wvarargs -Wvariadic-macros -Wvector-operation-performance
-Wvolatile-register-var -Wwrite-strings -Warray-bounds=2 -Wnormalized=nfc
-Wshift-overflow=2 -Wunused-const-variable=2 -Wno-missing-field-initializers
-Wno-sign-compare -Wno-type-limits -Wno-switch -Wno-unused-parameter
-Wno-format-nonliteral -Wno-logical-op -Wnonportable-cfstrings
-Wstrict-overflow=1 -Wdeclaration-after-statement -Wmissing-noreturn
-Wunreachable-code -Woverride-init-side-effects -Wshift-overflow=2
-Wdangling-else -Wduplicate-decl-specifier -Wmemset-elt-size
-Wswitch-unreachable -Wimplicit-fallthrough -Wformat-overflow=2
-Wformat-truncation=2 -Wstringop-overflow=2 -Wexpansion-to-defined -Wrestrict
-Wint-in-bool-context -Wpointer-compare -Wbool-operation -Wduplicated-branches
-Walloca-larger-than=16384 -Wvla-larger-than=16384
-Walloc-size-larger-than=32767 -Walloc-zero -Wpsabi
-Wbuiltin-declaration-mismatch -ggdb3 -Og -gdwarf-2 -gfull -mfix-and-continue
-MT sha256.o -MD -MP -MF .deps/sha256.Tpo -save-temps -freport-bug -c -o
sha256.o sha256.c
sha256.c: In function 'sha256_stream':
sha256.c:181:9: warning: argument 1 value '32840' exceeds maximum object size
32767 [-Walloc-size-larger-than=]
char *buffer = malloc (BLOCKSIZE + 72);
^~~~~~
In file included from ./stdlib.h:36:0,
from ../src/conf_post.h:226,
from ../src/config.h:3616,
from sha256.c:23:
/usr/include/stdlib.h:169:7: note: in a call to allocation function 'malloc'
declared here
void *malloc(size_t);
^~~~~~
sha256.c: In function 'sha224_stream':
sha256.c:252:9: warning: argument 1 value '32840' exceeds maximum object size
32767 [-Walloc-size-larger-than=]
char *buffer = malloc (BLOCKSIZE + 72);
^~~~~~
In file included from ./stdlib.h:36:0,
from ../src/conf_post.h:226,
from ../src/config.h:3616,
from sha256.c:23:
/usr/include/stdlib.h:169:7: note: in a call to allocation function 'malloc'
declared here
void *malloc(size_t);
^~~~~~
The file being compiled, sha256.c, is from gnulib, commit
94d81adc2f56c048b7872cd8ae2dd8568aef6dcf.
gcc version info:
$ /usr/local/bin/gcc -v
Using built-in specs.
COLLECT_GCC=/usr/local/bin/gcc
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-apple-darwin10.8.0/7.0.1/lto-wrapper
Target: x86_64-apple-darwin10.8.0
Configured with: ../configure --disable-werror --disable-werror-always
--enable-languages=c,c++,objc,obj-c++,lto --enable-stage1-checking=release,rtl
-C --with-system-libunwind --enable-secureplt --enable-frame-pointer
--enable-debug --without-isl --disable-host-shared --enable-maintainer-mode
--disable-default-pie --with-ld64 --without-pic --enable-target-optspace
--disable-nls --with-system-zlib --with-libiconv-prefix=/opt/local
--with-gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local --enable-lto
--enable-libstcxx-time --with-build-config=bootstrap-debug
--with-as=/opt/local/bin/as --with-ld=/opt/local/bin/ld
--with-ar=/opt/local/bin/ar --enable-objc-gc --enable-libada --enable-libssp
CC=/opt/local/bin/gcc CXX=/opt/local/bin/g++ AR_FOR_TARGET=/opt/local/bin/ar
AS_FOR_TARGET=/opt/local/bin/as LD_FOR_TARGET=/opt/local/bin/ld
NM_FOR_TARGET=/opt/local/bin/nm RANLIB_FOR_TARGET=/opt/local/bin/ranlib
STRIP_FOR_TARGET=/opt/local/bin/strip OTOOL=/opt/local/bin/otool
OTOOL64=/opt/local/bin/otool AUTOCONF=/opt/local/bin/autoconf264
AUTOHEADER=/opt/local/bin/autoheader264 AUTOM4TE=/opt/local/bin/autom4te264
AUTORECONF=/opt/local/bin/autoreconf264 AUTOSCAN=/opt/local/bin/autoscan264
AUTOUPDATE=/opt/local/bin/autoupdate264 IFNAMES=/opt/local/bin/ifnames264
ACLOCAL=/sw/bin/aclocal-1.11 PERL=/opt/local/bin/perl
Thread model: posix
gcc version 7.0.1 20170301 (experimental) (GCC)
cc-ing Martin because he introduced -Walloc-size-larger-than
