> This breaks bootstrap on riscv64: > > In function ‘alloca_type_and_limit alloca_call_type(range_query&, gimple*, > bool ’, > inlined from ‘virtual unsigned int pass_walloca::execute(function*)’ at > ../../gcc/gimple-ssa-warn-alloca.c:295:25: > ../../gcc/gimple-ssa-warn-alloca.c:206:13: error: ‘*(long int*)((char*)&ret + > offsetof(alloca_type_and_limit, > alloca_type_and_limit::limit.generic_wide_int<wide_int_storage>::<unnamed>.wide_int_storage::val[0]))’ > may be used uninitialized -Werror=maybe-uninitialized] > 206 | ret = alloca_type_and_limit (ALLOCA_OK); > | ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ../../gcc/gimple-ssa-warn-alloca.c: In member function ‘virtual unsigned int > pass_walloca::execute(function*)’: > ../../gcc/gimple-ssa-warn-alloca.c:200:32: note: ‘ret’ declared here > 200 | struct alloca_type_and_limit ret = alloca_type_and_limit > (ALLOCA_OK); > | ^~~
This looks like a false positive implied by different inlining decisions. Would it be posible to have preprocessed source + the tripplet to configure a cross-compiler? Thanks, Honza
