search for: __zti1a

...$2,L6-LFB8 .long L$set$2 # landing pad .byte 0x1 # uleb128 0x1; action .set L$set$3,LEHB1-LFB8 .long L$set$3 # region 1 start .set L$set$4,LEHE1-LEHB1 .long L$set$4 # length .long 0x0 # landing pad .byte 0x0 # uleb128 0x0; action .byte 0x7f # Action record table .byte 0x0 .align 2 .long __ZTI1A+4 at GOTPCREL .byte 0x1 # Exception specification table .byte 0x0 So the call to "foo" is marked as being able to throw an "A" type. (The 0x7f in the action record table is a negative 1-based offset into the exception specification table, which itself is a positive 1-based of...

Bill, ooops, yes, I described the meaning of "throw(A)" backwards, but I still think my example shows why you cannot merge LandingpadInst while inlining because multiple filter-lists on a LandingpadInst don't make sense. Perhaps I'm reading your original spec wrong, perhaps I'm mis-reading Duncan's emails, but I read them to mean that your syntax supports