Fix typos in various gcc/[e-m]* files
Corrects typos in various GCC source files, specifically those under the `gcc/` directory with names starting from 'e' to 'm'.
This commit fixes typos in a collection of GCC source files, improving the clarity and maintainability of the code. The affected files cover a wide range of functionalities, including RTL emission, expression handling, function management, and various optimization passes.
In Details
This commit fixes typos across multiple files in gcc/ whose names start with letters e through m. Files span emit-rtl, explow, expmed, expr, ext-dce, fibonacci heap, fold-const, function, gcc-diagnostic-spec, gcc.cc, gcov, gdbhooks, gimplify, graph, graphite, haifa-sched, hash-map-traits, hosthooks, ifcvt.
For Context
This commit corrects typos within the GCC compiler's source code. These files are responsible for tasks ranging from generating low-level code (RTL) to optimizing expressions and managing functions. By fixing these typos, the commit contributes to a more readable and reliable codebase.