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reduce default uninit_const_chunk_threshold to 16 (from 256)
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@ -1485,9 +1485,9 @@ options! {
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"in diagnostics, use heuristics to shorten paths referring to items"),
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ui_testing: bool = (false, parse_bool, [UNTRACKED],
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"emit compiler diagnostics in a form suitable for UI testing (default: no)"),
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uninit_const_chunk_threshold: usize = (256, parse_number, [TRACKED],
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uninit_const_chunk_threshold: usize = (16, parse_number, [TRACKED],
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"allow generating const initializers with mixed init/uninit chunks, \
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and set the maximum number of chunks for which this is allowed (default: 256)"),
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and set the maximum number of chunks for which this is allowed (default: 16)"),
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unleash_the_miri_inside_of_you: bool = (false, parse_bool, [TRACKED],
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"take the brakes off const evaluation. NOTE: this is unsound (default: no)"),
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unpretty: Option<String> = (None, parse_unpretty, [UNTRACKED],
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@ -15,8 +15,8 @@ pub struct PartiallyUninit {
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// CHECK: [[PARTIALLY_UNINIT:@[0-9]+]] = private unnamed_addr constant <{ [4 x i8], [12 x i8] }> <{ [4 x i8] c"\EF\BE\AD\DE", [12 x i8] undef }>, align 4
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// This shouldn't contain undef, since it contains more than 256 chunks
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// (the default value of uninit_const_chunk_threshold).
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// This shouldn't contain undef, since it contains more chunks
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// than the default value of uninit_const_chunk_threshold.
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// CHECK: [[UNINIT_PADDING_HUGE:@[0-9]+]] = private unnamed_addr constant <{ [32768 x i8] }> <{ [32768 x i8] c"{{.+}}" }>, align 4
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// CHECK: [[FULLY_UNINIT_HUGE:@[0-9]+]] = private unnamed_addr constant <{ [16384 x i8] }> undef
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