[clang] [Clang][CodeGen] Emit “trap reasons” on UBSan traps (PR #145967)

[Anthony Tran via cfe-commits]

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@@ -87,38 +87,42 @@ void baz(void (*fn)(int, int, int), int arg1, int arg2, int arg3) {
 // CHECK: [[DBG24]] = !DILocation(line: 25, column: 5, scope: [[DBG7]])
 // CHECK: [[META25]] = !{}
 // CHECK: [[PROF26]] = !{!"branch_weights", i32 1048575, i32 1}
-// CHECK: [[DBG27]] = !DILocation(line: 26, column: 1, scope: [[DBG7]])
-// CHECK: [[DBG28]] = distinct !DISubprogram(name: "bar", scope: [[META8]], file: [[META8]], line: 43, type: [[META29:![0-9]+]], scopeLine: 43, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META34:![0-9]+]])
-// CHECK: [[META29]] = !DISubroutineType(types: [[META30:![0-9]+]])
-// CHECK: [[META30]] = !{null, [[META31:![0-9]+]], [[META14]], [[META14]]}
-// CHECK: [[META31]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[META32:![0-9]+]], size: 64)
-// CHECK: [[META32]] = !DISubroutineType(types: [[META33:![0-9]+]])
-// CHECK: [[META33]] = !{null, [[META14]], [[META14]]}
-// CHECK: [[META34]] = !{[[META35]], [[META36]], [[META37]]}
-// CHECK: [[META35]] = !DILocalVariable(name: "fn", arg: 1, scope: [[DBG28]], file: [[META8]], line: 43, type: [[META31]])
-// CHECK: [[META36]] = !DILocalVariable(name: "arg1", arg: 2, scope: [[DBG28]], file: [[META8]], line: 43, type: [[META14]])
-// CHECK: [[META37]] = !DILocalVariable(name: "arg2", arg: 3, scope: [[DBG28]], file: [[META8]], line: 43, type: [[META14]])
-// CHECK: [[META38]] = !{i64 0, !"_ZTSFvPFvu3i32S_ES_S_E.normalized"}
-// CHECK: [[META39]] = !{i64 0, !"_ZTSFvPvu3i32S0_E.normalized.generalized"}
-// CHECK: [[META40]] = !DILocation(line: 0, scope: [[DBG28]])
-// CHECK: [[DBG41]] = !DILocation(line: 0, scope: [[META22]], inlinedAt: [[DBG42]])
-// CHECK: [[DBG42]] = !DILocation(line: 44, column: 5, scope: [[DBG28]])
-// CHECK: [[DBG43]] = !DILocation(line: 45, column: 1, scope: [[DBG28]])
-// CHECK: [[DBG44]] = distinct !DISubprogram(name: "baz", scope: [[META8]], file: [[META8]], line: 63, type: [[META45:![0-9]+]], scopeLine: 63, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META50:![0-9]+]])
-// CHECK: [[META45]] = !DISubroutineType(types: [[META46:![0-9]+]])
-// CHECK: [[META46]] = !{null, [[META47:![0-9]+]], [[META14]], [[META14]], [[META14]]}
-// CHECK: [[META47]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[META48:![0-9]+]], size: 64)
+// CHECK: [[DBG27]] = !DILocation(line: 0, scope: [[META28:![0-9]+]], inlinedAt: [[DBG21]])
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anthonyhatran wrote:

Changed to DBGTRAP

https://github.com/llvm/llvm-project/pull/145967