a5bb0a3a45
floating point numbers for real.
This will break code that looks like:
let mut x = 0;
while ... {
x += 1;
}
println!("{}", x);
Change that code to:
let mut x = 0i;
while ... {
x += 1;
}
println!("{}", x);
Closes #15201.
[breaking-change]
82 lines
4.3 KiB
Plaintext
82 lines
4.3 KiB
Plaintext
digraph block {
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N0[label="entry"];
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N1[label="exit"];
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N2[label="expr 16i"];
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N3[label="local mut x"];
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N4[label="expr 16i"];
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N5[label="local mut y"];
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N6[label="(dummy_node)"];
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N7[label="expr \'outer:\l loop {\l \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l y -= 1i;\l x -= 1i;\l }\l"];
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N8[label="(dummy_node)"];
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N9[label="expr \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l"];
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N10[label="expr x"];
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N11[label="expr 1i"];
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N12[label="expr x == 1i"];
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N13[label="expr continue \'outer"];
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N14[label="(dummy_node)"];
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N15[label="expr \"unreachable\""];
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N16[label="block { continue \'outer ; \"unreachable\" }"];
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N17[label="expr if x == 1i { continue \'outer ; \"unreachable\" }"];
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N18[label="expr y"];
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N19[label="expr 1i"];
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N20[label="expr y >= 1i"];
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N21[label="expr break"];
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N22[label="(dummy_node)"];
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N23[label="expr \"unreachable\""];
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N24[label="block { break ; \"unreachable\" }"];
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N25[label="expr if y >= 1i { break ; \"unreachable\" }"];
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N26[label="expr 1i"];
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N27[label="expr y"];
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N28[label="expr y -= 1i"];
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N29[label="block {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l}\l"];
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N30[label="expr 1i"];
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N31[label="expr y"];
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N32[label="expr y -= 1i"];
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N33[label="expr 1i"];
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N34[label="expr x"];
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N35[label="expr x -= 1i"];
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N36[label="block {\l \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l y -= 1i;\l x -= 1i;\l}\l"];
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N37[label="expr \"unreachable\""];
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N38[label="block {\l let mut x = 16i;\l let mut y = 16i;\l \'outer:\l loop {\l \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l y -= 1i;\l x -= 1i;\l }\l \"unreachable\";\l}\l"];
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N0 -> N2;
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N2 -> N3;
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N3 -> N4;
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N4 -> N5;
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N5 -> N6;
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N6 -> N8;
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N8 -> N10;
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N10 -> N11;
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N11 -> N12;
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N12 -> N13;
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N13 -> N6[label="exiting scope_0 expr continue \'outer,\lexiting scope_1 stmt continue \'outer ;,\lexiting scope_2 block { continue \'outer ; \"unreachable\" },\lexiting scope_3 expr if x == 1i { continue \'outer ; \"unreachable\" },\lexiting scope_4 stmt if x == 1i { continue \'outer ; \"unreachable\" },\lexiting scope_5 block {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l}\l,\lexiting scope_6 expr \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l,\lexiting scope_7 stmt \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l,\lexiting scope_8 block {\l \'inner:\l loop {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l }\l y -= 1i;\l x -= 1i;\l}\l"];
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N14 -> N15;
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N15 -> N16;
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N12 -> N17;
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N16 -> N17;
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N17 -> N18;
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N18 -> N19;
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N19 -> N20;
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N20 -> N21;
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N21 -> N9[label="exiting scope_0 expr break,\lexiting scope_1 stmt break ;,\lexiting scope_2 block { break ; \"unreachable\" },\lexiting scope_3 expr if y >= 1i { break ; \"unreachable\" },\lexiting scope_4 stmt if y >= 1i { break ; \"unreachable\" },\lexiting scope_5 block {\l if x == 1i { continue \'outer ; \"unreachable\" }\l if y >= 1i { break ; \"unreachable\" }\l y -= 1i;\l}\l"];
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N22 -> N23;
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N23 -> N24;
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N20 -> N25;
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N24 -> N25;
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N25 -> N26;
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N26 -> N27;
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N27 -> N28;
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N28 -> N29;
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N29 -> N8;
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N9 -> N30;
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N30 -> N31;
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N31 -> N32;
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N32 -> N33;
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N33 -> N34;
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N34 -> N35;
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N35 -> N36;
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N36 -> N6;
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N7 -> N37;
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N37 -> N38;
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N38 -> N1;
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}
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