Fix Issue 10883 - [ICE] Internal error: ../ztc/cod4.c 358 when compiling with -inline

Catch unconditional returns inside other statements to avoid inlining asserts as expressions.
Merge pull request #2837 from yebblies/issue10833

Issue 10883 - [ICE] Internal error: ../ztc/cod4.c 358 when compiling with -inline