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— GIMPLE function: gimple gimple_build_resx (int region)

Build a GIMPLE_RESX statement which is a statement. This statement is a placeholder for _Unwind_Resume before we know if a function call or a branch is needed. REGION is the exception region from which control is flowing.

— GIMPLE function: int gimple_resx_region (gimple g)

Return the region number for GIMPLE_RESX G.

— GIMPLE function: void gimple_resx_set_region (gimple g, int region)

Set REGION to be the region number for GIMPLE_RESX G.