Fix typos in various gcc/[s-z]* files
Corrects typos in various GCC source files, specifically those under the `gcc/` directory with names starting from 's' to 'z'.
This commit resolves typos in several GCC source files, enhancing code clarity and maintainability. The affected files span a range of functionalities within the compiler, from scheduling and simplification to symbol execution and target hooks.
In Details
This commit fixes typos across multiple files in gcc/ whose names start with letters s through z. Files span sanopt, schedulers, shrink-wrapping, simplification, spellcheck, stringpool, symbol execution, symbol table, system headers, target hooks, text art, timevar, and transaction memory. These files are spread across various parts of the compiler.
For Context
This commit addresses typos within the GCC compiler's source code. These files contribute to various aspects of the compilation process, including optimization, code generation, and runtime support. Correcting these typos improves the overall readability and quality of the GCC codebase.