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| Rev 301 |
Rev 338 |
// PR optimization/13067
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// PR optimization/13067
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// Origin:
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// Origin:
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// This used to fail on the tree-ssa because of "out-of-ssa"
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// This used to fail on the tree-ssa because of "out-of-ssa"
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// We might have a valid variable, but not a valid value when trying to find
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// We might have a valid variable, but not a valid value when trying to find
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// useless statements created by out-of-ssa translation. In this case
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// useless statements created by out-of-ssa translation. In this case
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// val will be set to null, then later dereferenced. Bad.
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// val will be set to null, then later dereferenced. Bad.
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// { dg-do compile }
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// { dg-do compile }
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// { dg-options "-Os" }
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// { dg-options "-Os" }
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struct Iterator
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struct Iterator
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{
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{
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Iterator operator++();
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Iterator operator++();
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};
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};
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void GetChar(char* aChar);
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void GetChar(char* aChar);
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void foo(char aChar)
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void foo(char aChar)
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{
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{
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char quote;
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char quote;
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Iterator end;
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Iterator end;
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while (1) {
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while (1) {
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if (aChar == '"')
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if (aChar == '"')
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GetChar(&aChar);
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GetChar(&aChar);
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switch (aChar) {
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switch (aChar) {
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case 'a':
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case 'a':
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++end;
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++end;
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if (quote) {
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if (quote) {
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if (quote == aChar) {
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if (quote == aChar) {
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quote = 0;
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quote = 0;
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}
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}
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} else {
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} else {
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quote = aChar;
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quote = aChar;
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}
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}
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}
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}
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}
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}
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}
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}
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