https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81320
Bug ID: 81320 Summary: [7/8] -Wlogical-op diagnostic depends on comparison' order Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: dimhen at gmail dot com Target Milestone: --- r247015 FAIL r249982 FAIL $ cat x.c int f1(int i) { if( i == 0 || i == 0 || /* PRESENT warning */ i == 1 ) return 0; else return 1; } int f2(int i) { if( i == 0 || i == 1 || i == 0) /* MISS warning */ return 0; else return 1; } $ /usr/local/gcc_current/bin/gcc -Wall -Wextra -O -Wlogical-op -c x.c x.c: In function βf1β: x.c:3:16: warning: logical βorβ of equal expressions [-Wlogical-op] if( i == 0 || ^~ $ /usr/local/gcc_current/bin/gcc -v Using built-in specs. COLLECT_GCC=/usr/local/gcc_current/bin/gcc COLLECT_LTO_WRAPPER=/usr/local/gcc_current/libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none Target: x86_64-pc-linux-gnu Configured with: /home/dimhen/src/gcc_current/configure --prefix=/usr/local/gcc_current --enable-checking=yes,df,fold,rtl --enable-languages=c,c++,lto --disable-multilib --enable-shared --enable-threads=posix --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl --enable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver --enable-gnu-indirect-function --with-tune=generic Thread model: posix gcc version 8.0.0 20170705 (experimental) [trunk revision 249982] (GCC)