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I have attempted to upgrade the toolchain on a project for a Cortex-M0+ that requires LTO to fit in flash. The project has built just fine up until now, but after upgrading to the latest 10.3-2021.07 version, the linking stage fails. Here's what the output looks like:
/tmp/cczekWsc.s: Assembler messages: /tmp/cczekWsc.s:2262: Warning: ignoring changed section attributes for .data /tmp/cczekWsc.s:2272: Warning: dwarf line number information for .data ignored /tmp/cczekWsc.s:2277: Warning: dwarf line number information for .data ignored (repeated hundreds of times) /tmp/cczekWsc.s:61406: Error: leb128 operand is an undefined symbol: .LVU708 /tmp/cczekWsc.s:61407: Error: leb128 operand is an undefined symbol: .LVU708 /tmp/cczekWsc.s:61425: Error: leb128 operand is an undefined symbol: .LVU730 (also repeated hundred plus of times)
Has anyone seen anything like this before? I tried searching for help on this, but came up blank. I'm unsure about how I should even start approaching this as I was unable to even keep the temporary assembler output from the LTO process.