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Fixed #4519 (false positive: (error) Uninitialized variable: eax (inline assembly usage))

This commit is contained in:
Daniel Marjamäki 2013-02-12 15:59:23 +01:00
parent c192e4d669
commit 28e38a9e56
2 changed files with 20 additions and 0 deletions
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3
lib/checkuninitvar.cpp
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@ -1456,6 +1456,9 @@ bool CheckUninitVar::checkLoopBody(const Token *tok, const Variable& var, const
return true;
}
}
if (Token::Match(tok, "asm ( %str% ) ;"))
return true;
}
if (!suppressErrors && usetok) {

17
test/testuninitvar.cpp
View File

@ -2693,6 +2693,14 @@ private:
void uninitvar2_while() {
// for, while
checkUninitVar2("void f() {\n"
" int x;\n"
" while (a) {\n"
" x = x + 1;\n"
" }\n"
"}\n");
TODO_ASSERT_EQUALS("error", "", errout.str());
checkUninitVar2("void f() {\n"
" int x;\n"
" while (a) {\n"
@ -2768,6 +2776,15 @@ private:
" }\n"
"}\n");
ASSERT_EQUALS("", errout.str());
checkUninitVar2("void f(){\n" // #4519 - fp: inline assembler in loop
" int x;\n"
" for (int i = 0; i < 10; i++) {\n"
" asm(\"foo\");\n"
" if (x & 0xf1) { }\n"
" }\n"
"}");
ASSERT_EQUALS("", errout.str());
}
void uninitvar2_4494() {