Re: [PATCH] avoid -Wabsolute-value in dead subexpressions (PR 89425)

2019-02-21 Thread Joseph Myers
On Thu, 21 Feb 2019, Martin Sebor wrote: > Joseph noticed the -Wabsolute-value warning newly introduced in GCC > 9 and included in -Wextra triggers on some unreachable subexpressions > in Glibc code that the C front end otherwise makes an effort to avoid > diagnosing. The attached trivial patch g

[PATCH] avoid -Wabsolute-value in dead subexpressions (PR 89425)

2019-02-21 Thread Martin Sebor
Joseph noticed the -Wabsolute-value warning newly introduced in GCC 9 and included in -Wextra triggers on some unreachable subexpressions in Glibc code that the C front end otherwise makes an effort to avoid diagnosing. The attached trivial patch guards the warning to avoid these spurious instanc