Hi,


Attached is the patch for new -flive-patching=[inline-only-static | inline-clone] master option.

'-flive-patching=LEVEL'
     Control GCC's optimizations to provide a safe compilation for
     live-patching.  Provides multiple-level control on how many of the
     optimizations are enabled by users' request.  The LEVEL argument
     should be one of the following:

     'inline-only-static'

          Only enable inlining of static functions, disable all other
          ipa optimizations/analyses.  As a result, when patching a
          static routine, all its callers need to be patches as well.

     'inline-clone'

          Only enable inlining and all optimizations that internally
          create clone, for example, cloning, ipa-sra, partial inlining,
          etc.; disable all other ipa optimizations/analyses.  As a
          result, when patching a routine, all its callers and its
          clones' callers need to be patched as well.

     When -flive-patching specified without any value, the default value
     is "inline-clone".

     This flag is disabled by default.

let me know your comments and suggestions on the implementation.

thanks a lot.

Qing