[Bug 1714514] Re: math.c broken on i386, when compiling with -O2 -C

[Dimitri John Ledkov]

** Description changed:

  # cat <<EOF >math.c
  #include <math.h>
  int main() {return 0;}
  EOF
  
- # gcc -std=gnu11 -O2 -C math.c
+ # gcc -std=gnu -O2 -C math.c
  
  expected, no output, exit code 0, like on amd64.
  
  Actual is exit code 1 with output:
  
  In file included from /usr/include/math.h:472:0,
                   from math.c:1:
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floor':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floorf':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floorl':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceil':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceilf':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceill':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^

** Description changed:

  # cat <<EOF >math.c
  #include <math.h>
  int main() {return 0;}
  EOF
  
- # gcc -std=gnu -O2 -C math.c
+ # gcc -C -O1 math.c
  
  expected, no output, exit code 0, like on amd64.
  
  Actual is exit code 1 with output:
  
  In file included from /usr/include/math.h:472:0,
                   from math.c:1:
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floor':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floorf':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floorl':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceil':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceilf':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceill':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^

** Summary changed:

- math.c broken on i386, when compiling with -O2 -C
+ math.c broken on i386, when compiling with -O1 -C

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https://bugs.launchpad.net/bugs/1714514

Title:
  math.c broken on i386, when compiling with -O1 -C

Status in frama-c package in Ubuntu:
  Fix Released
Status in glibc package in Ubuntu:
  Triaged
Status in jemalloc package in Ubuntu:
  Triaged

Bug description:
  # cat <<EOF >math.c
  #include <math.h>
  int main() {return 0;}
  EOF

  # gcc -C -O1 math.c

  expected, no output, exit code 0, like on amd64.

  Actual is exit code 1 with output:

  In file included from /usr/include/math.h:472:0,
                   from math.c:1:
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floor':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floorf':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'floorl':
  /usr/include/i386-linux-gnu/bits/mathinline.h:746:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (floor, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceil':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceilf':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^
  /usr/include/i386-linux-gnu/bits/mathinline.h: In function 'ceill':
  /usr/include/i386-linux-gnu/bits/mathinline.h:764:1: error: expected ':' or ')' before string constant
   __inline_mathcodeNP (ceil, __x, \
   ^

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