https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96279
--- Comment #2 from Zdenek Sojka <zsojka at seznam dot cz> --- Created attachment 48914 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48914&action=edit preprocessed source (In reply to Richard Biener from comment #1) > looks like a bogus #define leaking in from somewhere. Maybe you can provide > preprocessed source with -dD (that preserves #define directives in the > output) Thank you for the suggestion. The #define comes from: # 948 "/usr/powerpc-unknown-linux-gnu/usr/include/math.h" 3 4 #define isinf(x) __builtin_isinf_sign (x) which belongs to package cross-powerpc-unknown-linux-gnu/glibc-2.31-r6