[Bug math/32919] New: math: coshf triggers UB

[adhemerval.zanella at linaro dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=32919

            Bug ID: 32919
           Summary: math: coshf triggers UB
           Product: glibc
           Version: 2.41
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: adhemerval.zanella at linaro dot org
  Target Milestone: ---

The left shift overflows for 'int':

sysdeps/ieee754/flt-32/e_coshf.c

 72   double sp = asdouble (TB[jp & 31] + ((jp >> 5) << 52));
 73   double sm = asdouble (TB[jm & 31] + ((jm >> 5) << 52));

The CORE-MATH already fixed it on commit 4d6192d2.

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