https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89135
Bug ID: 89135 Summary: internal compiler error: in gimple_split_edge, at tree-cfg.c:2747 Product: gcc Version: 6.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: gsocshubham at gmail dot com Target Milestone: --- Host: x86_64-linux-gnu Target: x86_64-linux-gnu Build: x86_64-linux-gnu Created attachment 45572 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45572&action=edit Preprocessed code of file named "work11_crash.c" $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 6.3.0-18+deb9u1' --with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-6 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1) ----------------------------------------------------------------------------- COMMAND USED FOR COMPILATION $ gcc -O1 work11_crash.c -w work11_crash.c: In function ‘func_12’: work11_crash.c:355:17: internal compiler error: in gimple_split_edge, at tree-cfg.c:2747 static int32_t func_12(uint64_t p_13, uint64_t p_14, uint32_t p_15) ^~~~~~~ Please submit a full bug report, with preprocessed source if appropriate. See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions. ----------------------------------------------------------------------------- REDUCED FILE USING CREDUCE #include "csmith.h" a, b, c, d, e; f() { &&g; int32_t h; if (h) { int64_t **i = &a; b = 0; for (; b >= 0;) ; g: **i = 0; uint64_t *j = &c; *j = safe_rshift_func_uint8_t_u_s(0, 5); if (c) goto *d; } goto *e; } ------------------------------------------------------------------------------