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annotate gcc/testsuite/gcc.dg/torture/pr94392.c @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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152
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1 /* { dg-do compile } */
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2 /* { dg-skip-if "finite loops" { *-*-* } { "-ffinite-loops" } } */
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3 /* { dg-skip-if "LTO optimizes the test" { *-*-* } { "-flto" } } */
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4 /* { dg-additional-options "-fdump-tree-optimized" } */
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5
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6 int a, b;
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7
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8 int
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9 main()
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10 {
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11 while (1)
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12 {
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13 /* Try really hard. */
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14 if (a != b)
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15 return 1;
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16 }
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17 return 0;
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18 }
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19
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20 /* ISO C does not guarantee forward progress like C++ does so we
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21 cannot assume the loop is finite and optimize it to return 1. */
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22 /* { dg-final { scan-tree-dump "if" "optimized" } } */