report the total number of errors on compilation failure #43015
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This reverts commit 5558c64.
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Prior to this PR, when we aborted because a "critical pass" failed, we displayed the number of errors from that critical pass. While that's the number of errors that caused compilation to abort in *that place*, that's not what people really want to know. Instead, always report the total number of errors, and don't bother to track the number of errors from the last pass that failed. This changes the compiler driver API to handle errors more smoothly, and therefore is a compiler-api-[breaking-change]. Fixes rust-lang#42793.
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report the total number of errors on compilation failure Prior to this PR, when we aborted because a "critical pass" failed, we displayed the number of errors from that critical pass. While that's the number of errors that caused compilation to abort in *that place*, that's not what people really want to know. Instead, always report the total number of errors, and don't bother to track the number of errors from the last pass that failed. This changes the compiler driver API to handle errors more smoothly, therefore is a compiler-api-[breaking-change]. Fixes #42793. r? @eddyb
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Prior to this PR, when we aborted because a "critical pass" failed, we displayed the number of errors from that critical pass. While that's the number of errors that caused compilation to abort in that place, that's not what people really want to know. Instead, always report the total number of errors, and don't bother to track the number of errors from the last pass that failed.
This changes the compiler driver API to handle errors more smoothly, therefore is a compiler-api-[breaking-change].
Fixes #42793.
r? @eddyb