31 lines
831 B
Diff
31 lines
831 B
Diff
--- gcc/combine.c.jj 2014-05-15 12:37:42.000000000 +0200
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+++ gcc/combine.c 2016-12-13 19:52:25.428818416 +0100
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@@ -12626,6 +12626,10 @@ distribute_notes (rtx notes, rtx from_in
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rtx note, next_note;
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rtx tem;
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+ /* If i2 has been deleted by earlier distribute_notes call, ignore it. */
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+ if (i2 && NOTE_P (i2) && NOTE_KIND (i2) == NOTE_INSN_DELETED)
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+ i2 = NULL_RTX;
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+
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for (note = notes; note; note = next_note)
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{
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rtx place = 0, place2 = 0;
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--- gcc/testsuite/gcc.c-torture/compile/rh1402484.c 1970-01-01 01:00:00.000000000 +0100
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+++ gcc/testsuite/gcc.c-torture/compile/rh1402484.c 2017-12-07 14:15:06.140836089 +0100
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@@ -0,0 +1,14 @@
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+unsigned short a;
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+int b;
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+
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+void
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+foo (void)
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+{
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+ union { long e; int f[2]; } c;
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+ int d;
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+ c.f[0] = 0;
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+ c.f[1] = d << 1;
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+ a = c.e;
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+ if (a == 0)
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+ b = 0;
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+}
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