http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51865
Bug #: 51865 Summary: ICE in insert_vi_for_tree, at tree-ssa-structalias.c:2642 Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: g...@denis-excoffier.org Under MacOSX (x86_64-apple-darwin11.2.0), the new gcc-4.7-20120114 gives ICE with the following. There was no problem with the preceding snapshots. I've still not tested under other platforms. % cat stc.c // gcc -O -finline-small-functions -finline-functions -fipa-pta -fpartial-inlining -c stc.c #include <assert.h> void zz0(void); static int xx0; void zz0(void) { assert(xx0 == 0); return; }; void zz1(void) { zz0(); return; }; void zz2(void) { zz0(); return; }; % % gcc -v -O -finline-small-functions -finline-functions -fipa-pta -fpartial-inlining -c stc.c Using built-in specs. COLLECT_GCC=/tmp/lcl/uxl/gcc/bin/gcc COLLECT_LTO_WRAPPER=/Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../libexec/gcc/x86_64-apple-darwin11.2.0/4.7.0/lto-wrapper Target: x86_64-apple-darwin11.2.0 Configured with: /tmp/lcl/tmp/gcc/gcc-4.7-20120114/configure --prefix=/tmp/lcl/uxl/gcc-4.7-20120114 --with-local-prefix=/usr/local/here --enable-languages=c,c++ --disable-multilib Thread model: posix gcc version 4.7.0 20120114 (experimental) (GCC) COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.7.2' '-O' '-finline-small-functions' '-finline-functions' '-fipa-pta' '-fpartial-inlining' '-c' '-v' '-mtune=core2' /Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../libexec/gcc/x86_64-apple-darwin11.2.0/4.7.0/cc1 -quiet -v -iprefix /Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/ -D__DYNAMIC__ stc.c -fPIC -quiet -dumpbase stc.c -mmacosx-version-min=10.7.2 -mtune=core2 -auxbase stc -O -version -finline-small-functions -finline-functions -fipa-pta -fpartial-inlining -o /tmp/cct66mxd.s GNU C (GCC) version 4.7.0 20120114 (experimental) (x86_64-apple-darwin11.2.0) compiled by GNU C version 4.7.0 20120114 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p4, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 ignoring nonexistent directory "/Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/../../../../x86_64-apple-darwin11.2.0/include" ignoring duplicate directory "/Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/../../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/include" ignoring nonexistent directory "/usr/local/here/include" ignoring duplicate directory "/Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/../../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/include-fixed" ignoring nonexistent directory "/Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/../../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/../../../../x86_64-apple-darwin11.2.0/include" #include "..." search starts here: #include <...> search starts here: /Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/include /Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/x86_64-apple-darwin11.2.0/4.7.0/include-fixed /Users/denis/darlcl/uxl/gcc-4.7-20120114/bin/../lib/gcc/../../include /usr/include /System/Library/Frameworks /Library/Frameworks End of search list. GNU C (GCC) version 4.7.0 20120114 (experimental) (x86_64-apple-darwin11.2.0) compiled by GNU C version 4.7.0 20120114 (experimental), GMP version 5.0.2, MPFR version 3.1.0-p4, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 0bf7ee2f49f6ea7e3844a6dc703323f3 stc.c:7:1: internal compiler error: in insert_vi_for_tree, at tree-ssa-structalias.c:2642 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.