clang can't optimize calls to nexttoward() #74368
Description
% cat test.cc #include <math.h> int main() { float f = nexttoward(1.0, 0.0); return f; } % out/gn/bin/clang -c test.cc -O2 -S -o - | grep nexttow bl _nexttoward Expected: No call to nexttoward
Actual: Call
gcc can optimize it: https://godbolt.org/z/1jPbcfbxx