This is an auto-filed bug because sys-devel/smatch calls commands that do not exist. The issue was originally discovered on amd64, but it may be reproducible on other arches as well. If you think that a different summary clarifies the issue better, feel free to change it. Attached build log and emerge --info.
Created attachment 642440 [details] build.log build log and emerge --info
Why it's a problem? They are not called from ebuild cointext but as part of test. """ >>> Test phase: sys-devel/smatch-1.60 make -j4 PREFIX=/usr V=1 AR=x86_64-pc-linux-gnu-ar CC=x86_64-pc-linux-gnu-gcc LD=$(CC) PKG_CONFIG=x86_64-pc-linux-gnu-pkg-config HAVE_GTK2=no HAVE_LLVM=no HAVE_LIBXML=no check ... --- backend/arithmetic-ops.c.error.expected 2020-05-28 19:42:07.527952668 +0200 +++ backend/arithmetic-ops.c.error.got 2020-05-28 19:42:07.551952667 +0200 @@ -0,0 +1,5 @@ +.././sparsec: line 35: .././sparse-llvm: No such file or directory +.././sparsec: line 37: llvm-config: command not found +.././sparsec: line 39: as: command not found +.././sparsec: line 39: /llc: No such file or directory """